Philip K. Dick 
The Golden Man [EPUB ebook] 

The powers of earth had finally exterminated the last of the horrible tribes of mutant freaks spawned by atomic war. Menace to homo sapien supremacy was about ended — but not quite. For out of the countryside came a great golden, godlike youth whose extraordinary mutant powers, combining the world’s oldest and newest methods of survival, promised a new and superior type of mankind…