Over twenty years ago Nikoli, the Japanese puzzle and game company, started publishing a curious ...
“The Best Puzzles Are Made by Happy Employees.” So Ad Age describes the credo of Nikoli, the Japa...
Expert Sudoku is an all-new collection of handcrafted puzzles for the expert puzzle-solver. This ...
Prepare to be obsessed. Match wits with the experts who created Sudoku. Arranged from “Easy” to “...
The ultimate collection of over 1,000 handcrafted sudoku puzzles, in a range of difficulties, han...
The next step, like having a whole book of just Saturday Times crossword puzzles. Even more fiend...
Something totally new for adult puzzle fans: mazes that reveal pictures once they're completed! R...
Extra tricky. Extra tough. It's the sudoku collection that's not for the faint of heart. If you'r...