5361790
9780312370312
Designed for children aged eight and up, this work begins with a sudoku lesson from Will Shortz and easy 4 X 4 grids to warm up. It features four difficulty levels including smaller " kids grids" .Shortz, Will is the author of 'Will Shortz Presents the Jungle Book of Sudoku for Kids 150 Fun Puzzles!', published 2007 under ISBN 9780312370312 and ISBN 0312370318.
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