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The New Rules of War Review

  • Writer: Edmarverson A. Santos
    Edmarverson A. Santos
  • Jun 9
  • 15 min read
 The New Rules of War review

Introduction


This The New Rules of War review is for readers who want to know whether Sean McFate’s book is genuinely useful or simply another provocative modern warfare title with a strong claim and a dramatic subtitle. The book argues that America and the wider West are failing to understand how war now works, especially in a world shaped by shadow warfare, mercenaries, information operations, deniable violence, non-state actors, and strategic competition below the threshold of formal war.


The real buying question is not whether the book is interesting. It is. The harder question is whether its aggressive argument gives readers a durable framework for understanding modern conflict, or whether it sometimes pushes too far by turning complex strategic problems into blunt rules. That tension defines the value of the book. McFate writes with confidence, personal experience, and a willingness to attack comfortable assumptions, but the same qualities that make the book memorable can also make parts of it feel overstated.


The New Rules of War is most useful for readers interested in geopolitics, military strategy, international relations, great-power competition, private military companies, hybrid warfare, and the limits of conventional Western military thinking. It is also a strong choice for educated general readers who find traditional security books too slow, but still want something more serious than a simplified geopolitical overview. The book does not require specialist military training, although readers with some background in international affairs will get more from it.


The main limitation is that McFate’s style is deliberately confrontational. He wants to shake the reader out of conventional thinking, not offer a cautious textbook. That makes the book persuasive, readable, and memorable, but it also means buyers should not treat every claim as settled doctrine. The best way to read it is as a sharp strategic challenge: not a final answer on future war, but a serious provocation that forces the reader to rethink what victory, power, and conflict mean today.


Where to Buy

(This article contains affiliate links. If you buy through these links, I may earn a commission at no extra cost to you.)


1. Buyer judgment: sharp, useful, not neutral


The New Rules of War is worth buying if you want a readable, forceful, and unconventional book about why Western military thinking often fails against irregular, deniable, and politically complex forms of conflict. It is not a neutral survey of military strategy. It is a polemic with a serious strategic purpose, and that is both its strength and its weakness.


The book works best when McFate is dismantling assumptions. His argument that conventional battlefield success is no longer enough feels especially relevant in a world where states compete through proxies, sanctions, cyber tools, private actors, intelligence operations, information campaigns, and legal ambiguity. For readers who still think war mainly means armies fighting armies until one side formally surrenders, this book is a useful corrective.


The book is less convincing when its strongest claims become too sweeping. McFate often writes as if older strategic traditions are not merely incomplete, but dangerously obsolete. That makes the book exciting to read, but it also creates moments where careful readers may want more nuance, especially on law, ethics, institutions, and long-term political consequences.


My judgment is clear: buy it if you want a provocative strategic lens on modern conflict. Do not buy it expecting a balanced academic handbook or a complete policy manual. The book is best used as a challenge to your thinking, not as a substitute for deeper study.


1.1 The best fit


The best buyer is someone who wants to understand why modern conflict often happens in the grey zone between war and peace. If you follow Russia, China, Iran, private military contractors, cyber conflict, terrorism, insurgency, political warfare, or information operations, the book gives you a framework for connecting those subjects.


It is also a good fit for readers who enjoy books that argue strongly. McFate does not write like a cautious committee report. He writes like someone trying to break the reader’s attachment to outdated assumptions, and that gives the book energy.


1.2 The weak fit


The weaker buyer is someone looking for a calm, heavily footnoted, law-centered analysis of modern conflict. The New Rules of War touches legal and ethical questions, but it does not treat them with the depth a lawyer, international humanitarian law specialist, or policy researcher may expect.


It may also disappoint readers who dislike bold claims. McFate’s style depends on compression, confrontation, and memorable rules. If you prefer slow qualification and careful institutional analysis, David Kilcullen, Lawrence Freedman, or more conventional security studies books may suit you better.


2. The argument McFate sells


The book’s central argument is that America and the West have become too attached to a conventional idea of war. In McFate’s view, Western militaries still overvalue expensive technology, battlefield dominance, formal state conflict, and decisive military victory, while rivals and non-state actors increasingly succeed through ambiguity, deniability, mercenaries, information manipulation, and political disruption.


That argument gives the book its commercial appeal. It tells the buyer that the world has changed, that old explanations are failing, and that this book can help the reader understand the new strategic environment. For a book on war, that is a powerful promise.


2.1 Durable disorder is the frame


McFate uses the idea of durable disorder to describe an international environment where instability is not temporary. The phrase captures a world where state authority is weaker in some places, non-state actors are more capable, great powers avoid direct confrontation when indirect methods are cheaper, and violence often appears without formal declarations of war.


This frame is useful because it helps explain why modern conflict often looks messy. A state may deny involvement while using proxies. A company may cause a conflict through technology or logistics. A private military group may operate where regular soldiers would be politically inconvenient. A government may use disinformation, cyber pressure, and legal ambiguity before firing a shot.


For buyers interested in international relations, this is one of the book’s strongest contributions. McFate pushes readers to stop separating war, politics, business, technology, crime, and propaganda too cleanly. In the real world, those categories often overlap.


2.2 The rules are deliberately confrontational


The book is structured around ten rules. They are not neutral chapter labels. They are designed to provoke disagreement, especially among readers trained in conventional military or legal thinking.


That structure makes the book easy to remember. A buyer does not need to retain every historical example to remember the book’s core message: technology will not save the West, conventional war is no longer the main game, mercenaries are returning, shadow wars are central, and victory is more flexible than many policymakers admit.


The risk is that memorable rules can simplify hard problems. Some readers will love the clarity. Others will feel that the rules sometimes flatten the legal, political, and moral complexity of war.


3. Why the book is persuasive


The New Rules of War is persuasive because it identifies real weaknesses in Western strategic culture. It does not waste much time on vague theory. It moves quickly from argument to example, and it keeps asking why powerful states can spend enormous sums on military capability yet still struggle to convert force into lasting political results.


That question gives the book practical force. Many readers do not need another explanation of why drones, cyber tools, artificial intelligence, or advanced weapons are important. They need a better explanation of why military power often fails to produce the political outcome it promises.


3.1 It attacks comfortable assumptions


The book is strongest when it attacks the belief that superior technology automatically creates strategic success. McFate is not saying technology is irrelevant. He is saying that technology cannot compensate for poor strategy, weak political understanding, or an enemy willing to fight through unofficial, deniable, and unconventional means.


That point is valuable for buyers because it travels beyond military affairs. The same logic applies to diplomacy, law, sanctions, intelligence, and political risk. Tools matter, but they do not replace judgment.


This is where the book earns its place on a serious reader’s shelf. It helps readers see why power is not only measured by aircraft, ships, tanks, or budgets. Power also sits in narrative, legitimacy, networks, timing, money, fear, and plausible deniability.


3.2 It is readable without being shallow


McFate writes in a direct style that makes the book easier to read than many works on military strategy. The pace is one reason the book can reach readers who are serious about world affairs but do not want a dense academic monograph.


That readability increases the book’s value. A difficult book may contain excellent insight but still fail buyers who never finish it. The New Rules of War are different. It is designed to be read, argued with, and remembered.


The book also benefits from strong examples. McFate moves across military history, contemporary conflict, private force, state weakness, and strategic deception. Even when a reader disputes his conclusion, the examples often open useful lines of thought.


3.3 McFate brings unusual credibility


McFate’s background matters because this book depends heavily on judgment, not only theory. His experience as a former soldier, private military contractor, professor, and writer gives him a combination of field exposure and academic positioning that many authors in this space do not have.


That does not make every claim correct. Experience can sharpen analysis, but it can also make an author too confident in his own frame. Still, for a buyer choosing between another generic future-war book and this one, McFate’s background gives the book a stronger claim to attention.


The result is a book that feels lived-in. It does not read like a detached policy memo written only in institutional language. It reads like a warning from someone who believes the people in charge are preparing for the wrong kind of conflict.


4. Where the book becomes less convincing


The book’s weakness is not a lack of energy. It has plenty. The weakness is that its strongest pages often diagnose the problem better than they solve it.

That matters for buyers because the subtitle promises a path to winning. A reader may reasonably expect not only a critique of Western military habits, but a more developed plan for what should replace them. McFate gives direction, but not always enough detail.


4.1 The diagnosis beats the cure


The strongest parts of the book explain why conventional approaches fail. The weaker parts appear when McFate moves from diagnosis to prescription. Some recommendations are useful, but others feel more like strategic instincts than fully developed policy options.


This does not ruin the book. It simply changes how buyers should use it. The New Rules of War is better as a mental reset than as an operational manual.


Readers who want detailed institutional reform, legal design, procurement strategy, alliance management, or operational doctrine may need additional books. McFate opens the door. He does not walk through every room.


4.2 Law and ethics need more attention


For readers interested in international law, this is the book’s most important limitation. McFate takes seriously the reality that rivals may exploit legal and moral restraint, but he gives less space to the question of how democratic states should respond without destroying the principles they claim to defend.


That is not a small issue. If a state fights shadow warfare by fully adopting the methods of its rivals, it may win tactical advantages while damaging legitimacy, alliance trust, public accountability, and legal order. A serious strategy book does not need to become a law book, but the legal dimension deserves more sustained treatment.


This is why legally minded readers should read McFate critically. His book is valuable because it exposes strategic weakness. It is incomplete because it does not fully resolve the tension between effectiveness and restraint.


4.3 The style can feel too certain


McFate’s confidence makes the book readable, but it can also make it feel too certain. Some claims are framed with the force of strategic law, when the evidence may support a more qualified conclusion.


This is common in provocative nonfiction. The author simplifies to make the argument land. The buyer needs to know that before purchasing.


The best reader will not passively accept the book. The best reader will underline, disagree, compare, and test McFate’s claims against other books and real-world cases. Read that way, the book becomes more valuable.


5. Buyer review patterns


Visible buyer-review patterns suggest that satisfied readers often praise the book for being thought-provoking, readable, direct, and unusually clear about unconventional warfare. Many seem to appreciate that McFate challenges the standard military and policy vocabulary used to discuss war, especially the assumption that advanced states can solve strategic problems through technology and conventional force.


The common positive expectation is simple: readers want a book that explains why modern conflict feels different. The New Rules of War generally satisfy that expectation. It gives readers a vocabulary for mercenaries, shadow war, information conflict, and the blurred line between peace and war.


The repeated complaints are also consistent. Some readers find the tone too forceful, the claims too sweeping, or the prescriptions less convincing than the critique. Others prefer books that give more evidence, more institutional detail, or a more balanced treatment of law and ethics.


That means the marketing and buyer experience are mostly aligned, but not perfectly. The book promises a bold rethink of war, and it delivers that. It does not deliver a calm, comprehensive, neutral textbook. Prices, ratings, reviews, and availability may change.


6. Value for money


The value of The New Rules of War does not depend only on price, because the price can change by format, seller, promotion, and availability. The better question is whether the book offers lasting usefulness after the first read.


On that standard, the book has strong value for the right buyer. Its core ideas are memorable, its examples are useful, and its argument remains relevant to current debates about Russia, China, private force, grey-zone operations, proxy warfare, and the limits of Western strategic culture.


6.1 Usefulness


The book is useful because it gives readers a practical way to interpret conflict that does not look like formal war. That includes cyber pressure, political warfare, proxy violence, information operations, deniable military activity, and the use of private actors.


For students and general readers, the book can work as an entry point into modern security thinking. For professionals, it can work as a challenge to inherited assumptions. For international law readers, it can work as a warning about the gap between legal categories and strategic behavior.


6.2 Depth


The book has enough depth to be more than a popular summary, but it is not a specialist monograph. McFate writes for impact. He wants the reader to see the shape of the problem quickly.


That makes the book easier to finish, but it also limits its completeness. Readers wanting dense sourcing, slow theoretical development, or detailed legal analysis will need to supplement it.


6.3 Credibility


The author’s credibility is one of the book’s strongest selling points. McFate has a rare combination of military, contracting, academic, and policy-facing experience. That background makes the book more compelling than a purely speculative future-war title.


Still, credibility is not immunity from criticism. The buyer should not confuse experience with final authority. The book is strongest when read alongside alternative perspectives.


6.4 Long-term use


The book has long-term use because its main concepts can be applied repeatedly. Once a reader understands McFate’s argument, current events begin to look different. Proxy forces, private military activity, information campaigns, and grey-zone pressure become central rather than secondary.


That makes the book more durable than many current-affairs titles. It is not tied only to one conflict or one administration. Its value is in the lens it gives the reader.


7. Comparison with alternatives


The closest alternative for many buyers is David Kilcullen’s The Dragons and the Snakes. Kilcullen is more systematic and, for some readers, more balanced. McFate is sharper, more confrontational, and more focused on breaking conventional assumptions.


Lawrence Freedman’s Strategy: A History is broader and more intellectually patient. It is better for readers who want a deep history of strategic thought. It is not as fast or provocative as McFate’s book, but it gives a wider foundation.


Tim Marshall’s Prisoners of Geography serves a different buyer. It is more accessible and geography-centered, making it better for beginners in geopolitics. The New Rules of War is more specific to conflict, force, and the changing nature of warfare.


Sun Tzu’s The Art of War is the classic comparison, but buyers should be careful. McFate draws from strategic traditions that value deception, indirectness, and psychological advantage. Still, The New Rules of War is not a replacement for Sun Tzu. It is a modern argument about why those older insights may matter again in a world of shadow conflict.


Conclusion


The New Rules of War is worth buying if you want a serious, readable, and provocative book that challenges conventional thinking about modern conflict. Its best contribution is not that every rule is perfect. Its value is that it forces readers to confront how war, power, and victory have become less formal, less visible, and less comfortable than many Western institutions prefer to admit.


The book is not ideal if you want a neutral academic survey, a detailed legal analysis, or a cautious policy manual. It is better than that for some buyers and worse for others. Buy it for the strategic challenge, the sharp framing, and the memorable argument. Read it critically, and it becomes a highly useful addition to a geopolitics, international relations, or modern warfare reading list.


Where to Buy

(This article contains affiliate links. If you buy through these links, I may earn a commission at no extra cost to you.)


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FAQ


1. Is The New Rules of War worth reading?


Yes, The New Rules of War is worth reading if you want a forceful introduction to how modern conflict increasingly operates through ambiguity, proxies, mercenaries, information warfare, and political disruption. The book is especially useful for readers who already follow geopolitics but feel that traditional explanations of war do not fully explain what they see in current events. It is not the best choice for readers who want a neutral textbook or a heavily legal analysis. Its value lies in provocation, clarity, and strategic reframing. The strongest approach is to read it as a serious challenge to conventional thinking rather than as the final word on the future of war.


2. What is The New Rules of War about?


The New Rules of War argues that America and the West are poorly prepared for the way conflict now works. Sean McFate claims that modern war is less about formal declarations, decisive battles, and conventional victory, and more about deniable action, shadow warfare, private military actors, information control, and political manipulation. The book explains why traditional military strength may fail when rivals avoid direct confrontation and exploit the grey zone between war and peace. It is a book about strategy, but it also touches international relations, state power, non-state actors, mercenaries, technology, and the meaning of victory in an unstable world.


3. Is Sean McFate a credible author?


Sean McFate is credible enough to take seriously, especially on mercenaries, private military forces, and unconventional conflict. His background combines military service, private contracting, academic work, and policy-facing experience, which gives the book a practical edge that many strategy books lack. That does not mean readers should accept every claim without scrutiny. In fact, the book is most useful when read critically because McFate’s style can be highly confident and deliberately provocative. His credibility makes the argument worth engaging with, but careful readers should still compare his conclusions with other military, legal, and international relations scholarship.


4. Is the book beginner-friendly?


The book is beginner-friendly for educated readers who are interested in geopolitics, strategy, and world affairs, but it is not written like a basic introduction to international relations. McFate explains his ideas clearly and writes in a direct style, so the book is easier to read than many academic works on military affairs. A complete beginner may need to look up some background on Clausewitz, Sun Tzu, private military companies, and grey-zone conflict. Still, the book does not require specialist training. It is a good second step after more general geopolitics books, especially for readers who want to move from maps and headlines into strategy.


5. Does The New Rules of War focus on Russia and China?


The current positioning of the book highlights America’s ability to compete against Russia, China, and other threats, but the book is broader than a narrow Russia-China analysis. McFate’s main focus is the changing character of war and the strategic habits that make Western powers vulnerable. Russia and China are relevant because they illustrate competition below the threshold of open conventional war, but the book also discusses mercenaries, terrorism, private actors, historical examples, unconventional conflict, and the weakening clarity between war and peace. Buyers looking only for a detailed China or Russia policy book may need something more specific.


6. Does the book discuss mercenaries?


Yes, mercenaries and private military forces are central to the book’s argument. McFate treats the return of mercenaries as one of the major changes shaping modern conflict, especially because private force can give states and powerful actors flexibility, deniability, and reach. This is one of the areas where the author’s background gives the book extra weight. Readers interested in Wagner-style operations, private military companies, security contractors, and the privatization of force will find the book especially relevant. The legal and ethical implications are not developed as deeply as some readers may want, but the strategic issue is clearly presented.


7. Is The New Rules of War good for law readers?


The book is useful for law readers, but mainly as a strategic warning rather than a legal guide. It helps explain why legal categories can struggle when actors operate through proxies, private contractors, cyber pressure, deniable violence, and information operations. That makes it relevant to international humanitarian law, the use of force, state responsibility, and accountability debates. However, the book does not give international law the depth that a legal reader may expect. It sometimes treats legal and ethical restraint as part of the strategic problem without fully developing how democratic states should remain effective while preserving legitimacy and legal order.


8. What should I read after this book?


After The New Rules of War, the best follow-up depends on what you want to strengthen. For a more systematic look at how adversaries adapted to Western power, read David Kilcullen’s The Dragons and the Snakes. For a broader intellectual foundation, read Lawrence Freedman’s Strategy: A History. For a simpler geopolitical entry point, read Prisoners of Geography by Tim Marshall. If your interest is legal, follow McFate with material on international humanitarian law, the prohibition on the use of force, autonomous weapons, and state responsibility. McFate opens the strategic problem. The next books should add depth, balance, and legal structure.

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