ZX81 BASIC book
Robin Norman
Buy from $17.71
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Timex/Sinclair interfacing
James M. Downey,
Don Rindsberg
Buy from $5.97
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The Sinclair Zx81:...
Randle Hurley
Buy from $38.33
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Understanding Your Z. X. 81...
Ian Logan
Buy from $84.99
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Byteing Deeper Into Your...
Mark Harrison
Buy from $17.66
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Practical Timex/Sinclair...
Edward Page
Buy from $45.95
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Not Only 30 Programmes for...
Buy from $15.00
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The Good Software Guide
Roger Bilbow,
etc.
Buy from $5.97
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What Can I Do with My Timex...
Roger Valentine
Buy from $62.65
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Machine Language Made Simple...
Alfred Milgrom (Editor)
Buy from $64.81
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Making the Most of Your Zx81
Tim Hartnell
Buy from $195.56
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The Zx81/Ts1000 Home Computer...
David C. Foyt
Buy from $61.01
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