The Century Computer Programming Course
AI Sinclair BASICZX81ZX SpectrumProgramming guideA hardback programming manual at £9.95 — nearly a third of a Spectrum's own price — that covers the ZX81 and the Spectrum side by side rather than picking one.
Book Reviews
Reviews of books about the ZX Spectrum, Sinclair Research, and the wider 8-bit era — from period programming manuals to modern retrospectives and hardware guides.
Make and Program Your Own Robots
AI RoboticsSinclair BASICProgramming guideA slim, cheerful 1985 paperback that pairs BASIC listings with actual Meccano-and-motor robot builds, written around the Datel Robotek interface this site has its own recreated PCB for.
Input Magazine
AI PartworkSinclair BASICMachine codeProgramming guideA 52-issue weekly partwork that built into a 1,600-page programming course spanning six machines at once, including the Spectrum — and buried inside it, a 22-part machine code epic almost nobody finished typing in.