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Go way beyond difficult, with the hardest, most brain-busting sudoku you've ever seen! Calling all sudoku-solving diehards: with every puzzle requiring upper-level strategies, …
Math meets sudoku in this fun, challenging puzzle craze from Japan. Ready for step two? These KenKen offer a challenge that intermediate solvers will enjoy. KenKen is a grid-based …
Math meets sudoku in this fun, challenging puzzle craze from Japan. KenKen is a grid-based numerical puzzle that uses basic math operations—addition, subtraction, multiplication, …
These dot-to-dot puzzles are truly works of art. Conceptis has taken the Dot-to-Dot to exciting new levels! When completed, the 122 puzzles in this book reveal intricate pictures …
We’re giving you the THIRD DEGREE! Our first- and second-degree Martial Arts Kakuro books were so incredibly popular that we know people are eager for more! So here's the next …
We’re giving you the THIRD DEGREE! Our first- and second-degree Martial Arts Kakuro books were so incredibly popular that we know people are eager for more! So here's the next …
We’re giving you the THIRD DEGREE! Our first- and second-degree Martial Arts Kakuro books were so incredibly popular that we know people are eager for more! So here's the next …
Acclaimed Japanese mathematics instructor Tetsuya Miyamoto developed KenKen in 2004 and it has since taken over the puzzling world. It takes a page from karate - another Japanese …
Acclaimed Japanese mathematics instructor Tetsuya Miyamoto developed KenKen in 2004 and it has since taken over the puzzling world. It takes a page from karate - another Japanese …
Acclaimed Japanese mathematics instructor Tetsuya Miyamoto developed KenKen in 2004 and it has since taken over the puzzling world. It takes a page from karate, another Japanese …