Sidgwick and Jackson have joined with The Times to produce this book of challenging puzzles and games to be solved and played using the Sinclair ZX Spectrum computer. Computer expert Robin Bradbeer and Harold Gale of MENSA have made their selection on the basis of their originality and entertainment value, whilst at the same time ensuring that they are at an approachable level to appeal to as wide an audience of computer hobbyists as possible.

Over thrity games and puzzles are included, complete with program listings is BASIC, description of the game or puzzle, its objective and a screen shot. They range from the mind-numbing 'Blocks' - a superb Rubik's Cube-like game with excellent graphics - through a variety of difficult puzzles and stimulating games to 'Shunting' whose objective is to use an engine to transfer carriages to a station and trucks to a depot leaving the engine in the siding - seems easy until you try it!

The compelling book will provide hours, days and even weeks of thought-provoking entertainment for the Sinclair ZX Spectrum owner.