Book I of Philip José Farmer’s The Dungeon. Plunging into a planet-sized prison, Clive Follot faces a fantastic world of dwarves, cyborgs and aliens unlike anything he has ever imagined. It is a multi-level collection of beings from the hidden folds of time and space. Trapped somewhere inside is Neville Follott, Clive’s twin brother, and no creature in the Dungeon will stop Clive from finding him. Cover art by Robert Gould.