| 2000808 | Banco de Dados para TK90X: Inclui TK85 | - | Portuguese |
| 2000805 | Basic Avancado para o TK90X | - | Portuguese |
| 2000047 | Basically Speaking: Programming for Everybody | - | English |
| 2000170 | Beginners Guide to Microcomputing | - | English |
| 2000054 | Beyond the Arcade | - | English |
| 2000055 | Brainteasers for BASIC Computers | - | English |
| 2000061 | Capital Radio's Book of Computers & Simple Programming | - | English |
| 2000067 | Choosing and Using a Microcomputer | - | English |
| 2000068 | Collins Gem Dictionary of Computing | - | English |
| 2000070 | Comets | - | English |
| 2000074 | Complete Sinclair QL ROM Dissasembly | Sinclair QL | English |
| 2000079 | Computer Adventures: The Secret Art | - | English |
| 2000083 | Computer Horror & Spy Games | - | English |
| 2000085 | Computer Magic - Amazing Tricks on the ZX81 | - | English |
| 2000087 | Computer Power and Human Reason | - | English |
| 2000091 | Computer Wimp | - | English |
| 2000094 | Computers in the Primary School | - | English |
| 2000093 | Computing in Print | - | English |
| 2001615 | Control Things With Your Timex Sinclair | - | English |
| 2000097 | Creating Adventure Programs on Your Computer | - | English |