1000+ Puzzles Sudoku book for all ages and levels! LOTS OF PUZZLES: Over 1000++ Sudoku puzzles (520 Medium, 520 Hard) NEW EDITION: All new collection of puzzles in a sharp charcoal and black style CHALLENGING: Mastery for intermediate players, number heaven for seasoned puzzlers LARGE SIZE: 8.5 in x 11 in (21.59 cm x 27.94 cm) TAKE IT WITH YOU: Pass the time for hours on public transportation or waiting for jury duty PERFECT GIFT: This book makes a great gift for a friend, spouse, relative, or co-worker
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