Sinclair ZX81 - Books
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Your Timex Sinclair 1000 And ZX81
Weight: gKG
Your Timex Sinclair 1000 And ZX81
By Douglas Hergert
Taking you from the very beginning steps of getting the machine working, the book explains how to use the Timex Sinclair 1000 and ZX81 to its fullest capabilities. 
Also contains program listings and full instructions on the BASIC language.
30 Hour Basic ZX81 Edition
Weight: gKG
30 Hour Basic ZX81 Edition
by Clive Prigmore
A simple self-instructional course teaching good programming structure and technique.
This was widely acclaimed NEC correspondence course specially prepared for the BBC's "The Computer Program".
The ZX81 Pocket Book
Weight: gKG
The ZX81 Pocket Book
by Trevor Toms

A mixture of 1K and 16K programs make up a tutorial type book which is written in an "easy to learn way".

A 136 page paper back in fairly good condition.  A few biro marks on the inner covers, but otherwise complete.

20 Programs for the ZX Spectrum & 16K ZX81
Weight: gKG
20 Programs for the ZX Spectrum & 16K ZX81
By S. Daly

An interesting small book containing 20 programs - all usefully flow charted to explain the program flow and decision points.

A 116 page paper back in good condition.

Games for Your ZX81
Weight: gKG
Games for Your ZX81
by Mark Charlton

Moving graphics games, brain stretchers, word games and puzzles.

A 126 page paper back in good condition.

49 Explosive Games for the ZX81
Weight: gKG
49 Explosive Games for the ZX81
Edited by Tim Hartnell

Contains a wide variety of games including Breakout, Draughts, Star Trek, Death Maze and a large (!) 8K Adventure.

A 140 page paper back in good condition.