"Guardian" Sudoku

Handcrafted in Japan, these 100 puzzles have been specially commissioned from the original inventors of "Sudoku". The book includes a selection of easy, medium and diabolically difficult puzzles plus a collection of top tips compiled by Guardian writer and dedicated Sudoku fan, Tim Dowling.

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100 original puzzles, hand-created by Sudoku's Japanese inventors. Rated by addicts as far superior to computer-spawned versions, these previously unpublished puzzles, ranging from easy to difficult, contain almost imperceptible witticisms and symmetrical patterns which enhance the pleasure of completing them.