The product is a pocket-sized A6 sudoku book with 75 puzzles in 4 different difficulties. It features a paperback format and is written in English. The book is titled "Sudoku" and includes puzzles authored by mixed authors. Published by wf graham, this book falls under the genre of travel and is focused on the popular puzzle game Sudoku. Perfect for those looking for a convenient and enjoyable way to challenge their brain while on the go.
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