KenKen has quickly become the successor to sudoku that the world's been waiting for! KenKen became the first puzzles to be printed in the daily editions of the New York Times next to its famous crossword puzzle.
You may already know that January is National Puzzle Month, and January 29, National Puzzle Day. Of course, we don't need a designated day (or month) to enjoy some good puzzles and intriguing mental challenges. Keep your mind busy and your wits sharp all year round with these fun puzzle books.