My books


Firepower: How Weapons Shaped Warfare. Basic Books, 2021.

“The history of warfare cannot be fully understood without considering the technology of killing. In Firepower, acclaimed historian Paul Lockhart tells the story of the evolution of weaponry and how it transformed not only the conduct of warfare but also the very structure of power in the West, from the Renaissance to the dawn of the atomic era.
Across this period, improvements in firepower shaped the evolving art of war. For centuries, weaponry had remained simple enough that any state could equip a respectable army. That all changed around 1870, when the cost of investing in increasingly complicated technology soon meant that only a handful of great powers could afford to manufacture advanced weaponry, while other countries fell behind. Going beyond the battlefield, Firepower ultimately reveals how changes in weapons technology reshaped human history.



The Whites of Their Eyes: Bunker Hill, the First American Army, and the Emergence of George Washington. Harper, 2011.

“Lockhart’s shrewd, well-judged interpretation corrects myths about the battle and the men who fought it, while doing full justice to their achievement in creating an army — and a nation — out of chaos.” Publisher’s Weekly (starred review)

“Paul Lockhart is our best military writer on the Revolutionary War.” Richard Brookhiser, author of Founding Father: Rediscovering George Washington


The Drillmaster of Valley Forge: The Baron de Steuben and the Making of the American Army. HarperCollins, 2008.

“What a terrific biography this is — splendidly written with narrative sweep…. The dramatic story of how the American army that beat the British was forged has never been better told than in this remarkable book.” Doris Kearns Goodwin, author of Team of Rivals


Denmark, 1513 – 1660: The Rise and Decline of a Renaissance Monarchy. Oxford University Press (UK), 2007.

“Lockhart’s book is based on a superb knowledge of Danish research. His work is empirical and analytical at a very high level…. Lockhart has written by far the best introduction in any language to the history of early modern Denmark.”–Steffen Heiberg, The International History Review


Frederik II and the Protestant Cause: Denmark’s Role in the Wars of Religion, 1559 – 1596. Brill, 2004.

closely argued, well researched, and ultimately absorbing…Lockhart does a fine job of leading the reader through the twists and turns of these complex events….It is a fine achievement and a fascinating story.”
Andrew Pettegree, The Sixteenth Century Journal


Sweden in the Seventeenth Century. Palgrave Macmillan UK, 2004.



denmark tyw


Denmark in the Thirty Years’ War, 1618 – 1648: King Christian IV and the Decline of the Oldenburg State. Susquehanna University Press, 1996.



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