Here are 500 puzzles each with a Sudoku-Toolbox™ featuring 26 puzzle-solving techniques. For each of the 26 puzzle-solving techniques there is a detailed reference page. These 500 puzzles feature some the most amazing and unusual Sudoku puzzles ever published!
| Gtin | 09781736452615 |
| Mpn | RKC2009011897 |
| Age_group | ADULT |
| Condition | NEW |
| Gender | UNISEX |
| Product_category | Gl_book |
| Google_product_category | Media > Books |
| Product_type | Books > Subjects > Humor & Entertainment > Puzzles & Games > Sudoku |