Matt Helm - The Terrorizers - Hamilton, Donald

A man wakes up in a hospital in Canada. He has survived a plane crash, but his memory has been completely wiped - he has no idea who he is. Then in walks Kitty, a stunningly gorgeous woman, who tells him that he is Paul Madden, a photographer, and her fiance. Not bad. Except that a man on the phone seems to think otherwise. Things don't add up...