The Official Book of Sudoku: Book 1: 150 All-New Puzzles: 150 All-New Puzzles, Book 1 - Softcover

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The name of the game is Sudoku, Japanese for "number place," but no knowledge of Japanese language or arithmetic is required to enjoy the game that has sparked a mania around the world. It’s a fever that is now spreading to the United States, as readers of the New York Post and Los Angeles Times can readily attest.

Veterans of other highly-addictive logic games such as Rubik’s cube, Tetris, or Minesweeper will love the fresh challenge of Sudoku. It’s a wordless logic crossword that leaves even the most dedicated puzzle enthusiasts scratching their heads. Here in one volume is all you need to get started—150 Sudoku puzzles (and solutions) along with easy-to-follow instructions and strategies. Solve these entirely with logic and you’ll arrive at the right answer—but be warned: the more you solve, the more you’ll want to play!

To solve, fill-in the blanks with the digits 1 through 9 in such a way that each digit appears in each column, row, and 3 x 3 box only once. You need numbers, but no math is involved.