Sudoku Per Adulti Difficile Vol.1 - Prijzen

The New York Times Will Shortz Presents Crosswords To Go

Fast puzzles for a fast-paced world! This portable collection seventy-five of easy-to-hard puzzles from crossword great Will Shortz is perfect for solvers on the go. Features:*75 New York Times crossw...

Brain Games - To Go- Brain Games - To Go - Csi: Crime Science Investigation Puzzles

The Kakuro Challenge

Kakuro is one of the most popular Japanese number logic puzzles. A sort of hybrid of Sudoku and Crossword, it is one of the most fun yet challenging puzzles to solve. The principle is simple. Insert n...

Puzzling Adventures

Collected and enhanced from Dennis Shasha's popular Scientific American column, here are thirty-six of the most innovative and emotive mathematical puzzles ever to appear in its pages. Edgy, challengi...