It's introduction to microcomputers and programming on ZX Spectrum.
I've read russian version of this book in 1994.
In post-soviet area in 1990, time was shifted, so in 1990s we had wave of popularity of ZX Spectrum and 8-bit game console NES (i.e. what was popular in 1980s in the west).
https://www.amazon.com/Usborne-Guide-Understanding-Micro-Ele...
It's introduction to microcomputers and programming on ZX Spectrum.
I've read russian version of this book in 1994.
In post-soviet area in 1990, time was shifted, so in 1990s we had wave of popularity of ZX Spectrum and 8-bit game console NES (i.e. what was popular in 1980s in the west).