WW2 US Canadian British They Left the Back Door Open Used Hardcover Reference Book

“They Left the Back Door Open” is a used hardcover reference book examining strategic and tactical aspects of World War II involving the United States, Canada, and Britain. The volume provides factual accounts and analyses focused on the actions, decisions, and consequences faced by these Allied nations. It explores military operations, intelligence operations, and the ways in which cooperative strategies impacted the broader conflict. The book includes descriptions of key campaigns, figures, and political contexts relevant to the era. Designed as a reference, it features photographs, maps, and documentation to support the text. The hardcover format ensures durability for regular reference use. This edition is a used copy and may display signs of prior handling. Suitable for researchers, students, and history enthusiasts, the book serves as a factual resource on Allied strategies and collaborative efforts during World War II, drawing from primary sources and postwar analysis to provide a detailed overview of this aspect of military history.  Total of 191 pages.