Conquer We Must

“Robin Prior’s assessment of the workings, strengths, and weaknesses of civil-military relationships and their impact on military outcomes in both wars is trenchant and challenging.”—William Philpott, Times Literary Supplement

“How Britain’s Armed Forces coped in two world wars is the subject of Conquer We Must: A Military History of Britain, 1914–1945, by Robin Prior, which exposes the constant tension, whether in conflict or in peace, between politicians and service chiefs.”—Simon Heffer, Daily Telegraph, “Best History Books 2022”

“Any book by Robin Prior is an event, and this is no exception. Conquer We Must is a well-researched and trenchantly argued tour de force. Historians of Britain’s military effort in the two world wars will be busy debating his ideas for years to come.”—Gary Sheffield, author of Forgotten Victory

“This is a gripping account of how relations between the military and the politicians shaped the outcome of Britain’s two world wars, revealing just how much the experience of 1914–18 informed decision-making in 1939–45. Robin Prior provides incisive arguments for what went wrong for the British and what, crucially, went right and why.”—Heather Jones, author of For King and Country

“This book is the result of decades of research and writing on Britain at war in the twentieth century. Authoritative and insightful, a classic piece of military history by one of the finest exponents of the genre.”—David G. Morgan-Owen, author of The Fear of Invasion

“A very impressive and vivid piece of work which pulls together a lifetime of scholarship by one of our finest military historians.”—Jonathan Boff, author of Haig’s Enemy