Isaac Asimov's Robot City Perihelion

A man without a memory, in a city of robots gone wild. At his side a mysetrious woman whose own identity he as reconstructed, and whose memories of him may be true or false. The young man calls himself Derec. In the shattering climax to his quest he discovers the shocking secret of his true identity. Tormented by a nightmarish disease, Derec maust face the genius Dr. Avery and compel him to reveal the truth.