Stranger in a Strange Land is the epic saga of an earthling, Valentine Michael Smith, born and educated on Mars, who arrives on our planet with psi powerstelepathy, clairvoyance, precognition, telekinesis, teleportation, pyrolysis, and the ability to take control of the minds of othersand complete innocence regarding the mores of man. After his tutelage under a surrogatefather figure, Valentine begins his transformation into a kind of messiah. His exceptional abilities lead Valentine to become many things to many people: freak, scam artist, media commodity, searcher, freelove pioneer, neon evangelist, and martyr. Heinlein won his second Hugo Award for this novel, sometimes called his divine comedy and often called his masterpiece.
A classic. The first half is really interesting, but second half sort of just becomes a 'free love' hippie-commune treatise. It's still worth reading, however.