If someone asks you: how did America win the Second World War? Your answer might certainly be: through their superior military strength. However, did you know that books also played a decisive role? Soldiers read armed services editions of books while waiting to land in Normandy; in the hellish trenches of battlefields in the Pacific; in field hospitals; and on warships. Books, as key ideological weapons, led America to the final victory of World War II. This is precisely the story “When Books Went to War” would like to share with you.