The Must Have 2015 Sudoku Puzzle Book: 365 puzzle daily sudoku to challenge you every day of the year. 365 Sudoku Puzzles - 5 difficulty levels (easy to hard)
by Jonathan Bloom,Tim Arbaev
ISBN 13: 9780987003997
Format: Large Print (212 pages) Publisher: Buysudokubooks.com Published: 27 Aug 2014
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