Tomtom Puzzles: Handmade Calcu-Doku Puzzles from a World Sudoku Champion

by Thomas Snyder

Calcu-doku has taken the puzzle world by storm, providing solvers with many happy hours of logical thinking and simple mathematics. Now, world sudoku champ Thomas Snyder takes it to the next level. He... This description may be from another edition of this product.

• Format: Spiral-bound
• Language: English
• ISBN: 1402772122
• ISBN13: 9781402772122
• Release Date: October 2010
• Publisher: Puzzlewright
• Length: 160 Pages
• Weight: 0.65 lbs.
• Dimensions: 0.4" x 6.5" x 9.0"