| 19167 | Z80 Attack | ZX-Spectrum 48K | English |
| 27681 | Z80 COLOSS | ZX-Spectrum 48K | English |
| 2001370 | Z80 CPU Microprocessor Instant Reference Card | - | English |
| 12537 | Z80 Dissembler | ZX-Spectrum 16K/48K | English |
| 2000508 | Z80 Machine Code & Interfacing | - | English |
| 2000432 | Z80 Machine Code for Humans | - | English |
| 2001164 | Z80 Microcomputer System | - | English |
| 2000856 | Z80 Programming for Logic Design | - | English |
| 9003 | Z80 Toolkit | ZX-Spectrum 48K | English |
| 12247 | Z80 Toolkit | ZX-Spectrum 48K | English |
| 22601 | Z80 Toolkit 2 | ZX-Spectrum 48K | English |
| 2000857 | Z80 Users Manual | - | English |
| 9004 | Z80-Disassembler | ZX-Spectrum 48K | English |
| 35944 | Z8048 | ZX81 16K | English |
| 2001285 | Z88 - A Dabhand Guide | Cambridge Z88 | English |
| 37907 | Z88 Boggle | Cambridge Z88 | English |
| 2001295 | Z88 Computing | Cambridge Z88 | English |
| 2001205 | Z88 Magic | Cambridge Z88 | English |
| 2001607 | Z88 User Manual | Cambridge Z88 | English |
| 21935 | ZAP! | ZX-Spectrum 48K | English |