Philip K. Dick

Bob Arctor is a dealer of the lethally addictive drug Substance D. Fred is the police agent assigned to tail and eventually bust him. To do so, Fred takes on the identity of a drug dealer named Bob Arctor. And since Substance D--which Arctor takes in massive doses--gradually splits the user's brain into two distinct, …

The World Jones Made is a 1956 science fiction novel by Philip K. Dick examining notions of precognition, humanity, and politics. It was first published by Ace Books as one half of Ace Double D-150, bound dos-à-dos with Agent of the Unknown by Margaret St. Clair.