Computer Spacegames by Daniel Isaaman and Jenny Tyler is a 1982 Usborne book of type-in BASIC space-themed games for computers including the VIC-20, PET, ZX Spectrum, ZX81, BBC Micro, TRS-80, and Apple. The programs place the player in scenarios such as lunar landings, asteroid fields, alien attacks, space mining, intergalactic travel, and rescue missions, with colorful illustrations and notes explaining how each game works. It also encourages readers to modify the games and write their own programs, providing a beginner-friendly summary of BASIC commands and conversion notes for different computer models.