Donald E. Westlake
Due to a foiled burglary in a high-tech lab doing research for cigarette manufacturers, Freddie Noon, the thief, is now invisible. This condition has clear-cut advantages for a man in Freddie's profession, but now everybody wants a glimpse of Freddie. But Freddie doesn't dare show his face, his shadow, anything. Because Freddie Noon has gotten a taste of invisibility--and he can't quit now.