Kapp, Colin. Cageworld 1: Search for the Sun. Cageworld 2: The Lost Worlds of Cronus. London: New English Library, 1982.
Note setting: high-tech on the scale of the solar system, run by a computer-god. Rev. Brian Stableford, SF&FBR #5 (June 1982): 23, source for this citation. See also in this category, CK's Cageworld 3.