Philip K Dick

What is VALIS? This question is at the heart of Philip K. Dick's [...] first book in his defining trilogy. When a beam of pink light begins giving a schizophrenic man named Horselover Fat (who just might also be known as Philip K. Dick) visions of an alternate Earth where the Roman Empire still reigns, he must decide whether he is crazy, or whether a godlike entity is showing him the true nature of the world.

It is 1969, and a paranoid president has convulsed America in a vicious war against imaginary internal enemies. As the country slides into fascism, a struggling science-fiction writer named Philip K. Dick is trying to keep from becoming one of that war's casualties. Meanwhile, Dick's best friend, a record executive named Nicholas Brady, is receiving transmissions from a God-like extraterrestrial intelligence, which he dubs Valis, who apparently wants...