tapa blanda · ISBN 9788478085095
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«Sudoku» is a puzzle book with 90 sudoku puzzles, published by Editorial Sirio in paperback (141 pages, in Spanish).
The volume brings together 90 new sudoku puzzles, divided into three levels of difficulty to provide a gradual progression: neither too easy nor too difficult. Each puzzle consists of filling a grid with numbers using logic, memory and concentration; the solutions are collected at the end of the book. A pencil and a little patience are enough to tackle them.
For adults interested in exercising their minds with logic games and number puzzles.
