Killer Sudoku Puzzle Book for Adults: 200 Hard to Very Hard Puzzles 9x9 (Volume2) (Paperback)

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The book contains 200 excellent Killer Sudoku puzzles 9x 9. * Hard puzzles 100 * Very Hard puzzles 100 * All riddles have only 1 solution. * 2 puzzles

Killer Sudoku Puzzle Book for Adults : 200 Hard to Very Hard Puzzles 9x9 (Volume2) (Paperback)

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Killer Sudoku - 200 Hard to Master Puzzles 9x9 (Volume 2)

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