num_pages: 170
description: Derec, an amnesia victim, learns the secret of his true identity and must face Dr. Avery, the deranged scientist who controls Robot City
language: English
title: Perihelion
titlecomplete: Perihelion (Isaac Asimov's Robot City, #6)
characters: Derec
genres: Fiction, Science Fiction, Science Fiction Fantasy, Robots
ratings_count: 524
series: Robouniversum, Isaac Asimov's Robot City
publisher: Ace Books