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| 2000623 | Z8 Family Design Handbook | - | English |
| 35588 | Z80 | ZX-Spectrum 48K | English |
| 2000622 | Z80 Applications | - | English |
| 20201 | Z80 Assembler | ZX-Spectrum 48K | English |
| 2000755 | Z80 Assembly Language Programming | - | English |
| 2001058 | Z80 Assembly Language Programming | - | English |
| 2000507 | Z80 Assembly Language Programming for Students | - | English |
| 2000756 | Z80 Assembly Language Subroutines | - | English |
| 40418 | Z80 Assembly Tips | ZX-Spectrum 48K | English |
| 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 |
| 12247 | Z80 Toolkit | ZX-Spectrum 48K | English |
| 9003 | Z80 Toolkit | ZX-Spectrum 48K | English |