Gateway Guide to the ZX-81 and ZX-80 by Mark Charlton Sinclair

I Wish I Knew About The Spectrum and ZX81 Jonathan Chapple Book 1983 Retro

Getting Acquainted With Your ZX81 Sinclair Computer Tim Hartnell 3rd Edition

30 Hour BASIC: No M27 (National Extension College... - Prigmore, Clive

An introduction to BASIC programming using the DRAGON by R. Wadman, 1982

Path of the Warrior (Path of the Eldar Series)

RSPB Wildlife Explorers’ Handbook: Ultimate Identification Guide For Children

Sinclair ZX81 BASIC Programming Steven Vickers 1981 2nd Ed Manual Computing