"How to Plan a Crusade" by Christopher Tyerman is a comprehensive guide that delves into the historical and military aspects of medieval Europe. Published by Pegasus Books in 2018, this trade paperback book is 432 pages long and offers valuable insights into the planning and execution of Crusades. With a focus on the general topic of military history, this book provides readers with a detailed exploration of the complexities and challenges involved in organizing and participating in these significant religious conflicts. Perfect for history enthusiasts and those interested in the medieval period, this book offers a unique perspective on the Crusades and their impact on Europe.