The Spectrum Handbook , Langdell , Sinclair ZX Spectrum Book

Creepy Computer Games Usborne Book - ZX Spectrum Commodore Acorn CBM

Over The Spectrum Book. ZX Spectrum Programming Book.

Spectrum Machine Language for the Absolute Beginner - Tang Melbourne House

RISC OS 3 First Steps by Anne Rooney A Dabhand Guide -Acorn Archimedes Computer

“Not Only”30 Programs For The Sinclair ZX81 1K Book - Melbourne House Publishers

Usborne First Computer Library Computer Fun Book

Amstrad User Instructions Manual for PC1640