And it has to be said being spiral-bound made the book actually practical for reference while typing.

Was a thing of beauty. https://worldofspectrum.org/ZXBasicManual/

Simple, concise, useful.

Everything about the Spectrum was insanely clever - from the industrial design, to the circuit, to the software, to the manual, to the marketing.

It was for all practical purposes a toy - and also a masterpiece of accessible engineering.

I remember correctly, I remember learning Sinclair BASIC from the manual, when I was 8 years old (1983).

When I gave away my Spectra I kept the manuals.