Introducing a new idea in Sudoku, and it starts with travel: Sudoku to Go! is a collection of three slim notepads, each the perfect size to stick in a pocket or bag, light enough that you wouldn't eve
The next big—and challenging!—idea for the adult activity market from Nikoli, the creators of the original Sudoku puzzles and author of Workman’s bestselling Original Sudoku series,
Our hardest-yet Sudoku collection, handcrafted by the puzzle masters at Nikoli in Japan (whose Workman Sudoku books have 1.3 million copies in print combined).Warning:Not for the Sudoku faint-of-heart
Expert Sudoku is an all-new collection of handcrafted puzzles for the expert puzzle-solver. This is the book that challenges skilled solvers and Sudoku-lovers at the top level—every one of the 320 puz
