| | #1 - Birkhauser Verlag (Germany) | (1983) | as "Maschinencode-Routinen fur den ZX Spectrum" |
| | | | * ISBN 3-7643-1559-8 |
| | #2 - Indescomp S.A. (Spain) | (1984) | as "Las 40 Mejores Subrutinas en Codigo Maquina para el Spectrum" |
| | | | * ISBN 84-86176-09-3 |
| | #3 - Kluwer Technische Boeken B.V. (Netherlands) | (1985) | as "ZX Spectrum Machinetaalroutines" |
| | | | * ISBN 90-201-1797-1 |
| | #4 - Verbo (Brazil) | (1985) | as "As Melhores Rotinas para o ZX Spectrum" |
| | | | * ISBN ? |
