In this new installment of the popular, puzzle-based series, Kate has settled into her new life running the Avondale Puzzle Museum in Granville, New Hampshire.

Maiden’s Bay is a small, scenic town on the Oregon Coast where citizens get their number fix thanks to Liza Kelly—Sudoku Maven with the Oregon Daily. Her ch

Just when you thought it was safe to pick up a pencil Killer Su Doku is based on the original Su Doku grid, with the same rules and numbers—1 to 9—but with

Posh® Left Brain/Right Brain offers 25 left-brain puzzles and 25 right-brain puzzles presented in a wonderfully attractive package. The Posh and Pocket Posh�

It's February in the small town of Granville, New Hampshire, and Katie McDonald, math geek and curator of the Avondale Puzzle Museum, is up to her ears in snow