Learning is Fun! 40 Educational Games for the Spectrum
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Vince Apps (1983)
ISBN 0-246-12233-1

Practical Robotics and Interfacing for the Spectrum
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A A Berk
ISBN 0-246-12576-4

The Spectrum Programmer
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S M Gee
ISBN 0-246-12025-8

An Expert Guide to the Spectrum
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Mike James
ISBN 0-246-12278-1

The Spectrum Book of Games
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Mike James, S M Gee and Kay Ewbank
ISBN 0-246-12047-9

Spectrum Graphics and Sound
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Steve Money
ISBN 0-246-12192-0

The Spectrum Add-On Guide
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Allan Scott
ISBN 0-246-12563-2

The Complete Spectrum 
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Allan Scott (Editor)
ISBN 0-246-12569-1

Introducing Spectrum machine code: how to get more speed and power 
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Ian Sinclair
ISBN 0-246-12082-7

Make the most of your ZX Microdrive
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Ian Sinclair
ISBN 0-246-12406-7

The ZX Spectrum and how to get the most from it
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Ian Sinclair
ISBN 0-246-12018-5