Released on 05 October 2007.

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The Daily Teegraph Brain Sharpener Sudoku

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This new collection has everything you have come to expect from The Daily Telegraph’s puzzles – and more. 132 standard grids, graded according to difficulty, plus the ultimate test for hardened solvers: a sudoku in three dimensions. The step-by-step introduction includes helpful hints on how to tackle this unique challenge, as well as tips for the more familiar puzzles.