| 2000000 | 100 Programs for the ZX Spectrum | - | English |
| 2001662 | 101 Programs for Spectrum | - | Greek |
| 2001352 | 102 Programmes pour Sinclair ZX et Timex | - | French |
| 2000689 | 102 Programmes pour ZX81 et Spectrum | - | French |
| 2000461 | 15 Graphic Games for the Spectrum | - | English |
| 2000001 | 20 Best Programs for the ZX Spectrum | - | English |
| 2000003 | 20 Programs for the ZX Spectrum and 16K ZX81 | - | English |
| 2000005 | 20 Simple Electronic Projects for the ZX81 & Spectrum | - | English |
| 2000004 | 20 Simple Electronic Projects for the ZX81 and Other Computers | - | English |
| 2000813 | 200 Desenhos para TK 85 e CP 200 | - | Portuguese |
| 2001017 | 25 New Programs for the Spectrum | - | English |
| 2000006 | 25 Programs for the Sinclair ZX Microdrive: Multi-User Games for the Spectrum | - | English |
| 2000007 | 26 BASIC Programs for Your Micro | - | English |
| 2000010 | 30 Hour Useful Home Computing | - | English |
| 2001099 | 30 Jogos para TK82 e CP200 | - | Portuguese |
| 2001368 | 30 Music Programs for Timex Sinclair 2068 | - | English |
| 2000887 | 33 Spiele mit PASCAL | - | German |
| 2000011 | 34 Amazing Games for the 1K ZX81 | - | English |
| 2001142 | 34 More Tested, Ready-To-Run Game Programs in BASIC | - | English |
| 2000572 | 35 Programme fur den ZX-81 | - | German |