This book was fascinating. It was such an eye-opener for me regarding the scope of WWII and how much espionage, secrecy and diplomacy came into play during the years of the Nazi threat to the world. As I read this book, I became painfully aware of how little history was taught to me in school. This is not an easy or quick book to read, as Stevenson details the role of Sir William Stephenson in the secret war of WWII. Stephenson, working for Prime Minister Winston Churchill worked closely with President Roosevelt and Churchill to create an intelligence network to take down the Nazis. The book details the creation of his intelligence organization and the role both he and his vast organization played in keeping Hitler from taking over the world. Although the title sounds as though this is a book about William Stephenson, code named INTPREID, this is more of a historical book rather than a biography. The book discusses important missions and agents, and describes the lengths the Allied forces were forced to prevent a Nazi victory. For the most part I was riveted while reading this book, but I did find a few sections confusing. This is one book I would benefit from reading again, as it is so rich and dense with information, names and missions that I’m sure I only absorbed a fraction of the information. I would recommend this book to anyone interested in history or WWII.

If this were a work of fiction, one would say 'too far-fetched, too outlandish'. The fact that this a biography is astonishing. This book unveils the shadow war that spies and agents ran during WWII, and the man behind the allies victory in that war, William Stephenson. To call this a page turner is an understatement. A must read for any war buff, history buff or spy novel fan. A classic and for good reason!