Disputes have raged about the Japanese attack on Pearl Harbor almost since it occurred. What did the Roosevelt administration know about Japanese plans? To what extent did the breaking of the Japanese Purple Code, Magic, reveal the intentions of the military and naval authorities in Tokyo?
Did Roosevelt know where a strike would come? Was there a conspiracy and what is the truth behind the broadcast of the `Winds' messages? Finally, why did the Japanese decide to attack the American fleet, and what was Germany's role in the disaster? These and other related questions are discussed in detail, utilizing the opinions of eminent authorities in the field.