Computer Battlegames by Daniel Isaaman and Jenny Tyler is a 1982 Usborne collection of type-in BASIC combat and science-fiction games for the VIC-20, PET, ZX Spectrum, ZX81, BBC Micro, TRS-80, and Apple computers. Its programs include Robot Missile, The Vital Message, Shootout, Desert Tank Battle, Battle at Traitor’s Castle, Robot Invaders, Secret Weapon, Escape!, Pirate Dogfight, Supersonic Bomber, Iceberg, and The Wall, placing players in battles against robots, pirates, castles, missiles, and other threats. The book explains each listing, provides conversion lines for different computers, encourages readers to modify and expand the games, and includes guidance on BASIC programming and writing original games.