| 2001115 | Coleção de Programas Vol. II | - | Portuguese |
| 2001474 | Coleção de Programas Vol. III | - | Portuguese |
| 2000525 | Collins Gem Micro Facts Sinclair ZX Spectrum | - | English |
| 2001327 | Cometas en Tu Micro: El Halley | - | Spanish |
| 2000700 | Como Crear Tus Juegos en el Spectrum | - | Spanish |
| 2000841 | Como Programar Ordenadores Personales | - | Spanish |
| 2000702 | Como Programar Su Spectrum | - | Spanish |
| 2000703 | Como Programar Su Spectrum y Timex 2068 | - | Spanish |
| 2000701 | Como Usar los Colores y los Graficos en el Spectrum | - | Spanish |
| 2001072 | Computer | - | German |
| 2001280 | Computer Arithmetic for the ZX81 User | - | English |
| 2000080 | Computer Battlegames | - | English |
| 2000850 | Computer Bible Games | - | English |
| 2001300 | Computer Bluff | - | English |
| 2001022 | Computer Crazy | - | English |
| 2000863 | Computer Fun | - | English |
| 2000988 | Computer Games | - | English |
| 2000864 | Computer Games to Play and Write | - | English |
| 2000533 | Computer Gamesmanship | - | English |
| 2001132 | Computer Graphics with Pascal | - | English |