30 Hour BASIC Clive Prigmore Standard Edition BBC NEC (5014)

Better Programming for Your Spectrum and ZX81, Fontana, 1983 Paperback 284 pages

Step Ahead with Rust: Systems Programming in Rust by J. Creekmore & J. Miller

The ZX Spectrum and How To Get The Most From It - Ian Sinclair - 1982

I Wish I Knew ... about the Spectrum and the ZX81 by Jonathan Chapple book

Programming New: A Beginners guide to Linux and Python Programming Step-by-Step.

Sinclair ZX Spectrum Basic Programming Book First Edition 1982

Spectrum : A Colorwork Collection in Palette by Knitpicks