These Sudoku Puzzles books feature images of characters from Go, Diego, Go in less-complicated 4x4 Sudoku grids (the regular kind is 9x9) instead of numbers. To

Introducing Sudoku Puzzles for Little Animal Rescuers... Instead of numbers, these sudoku puzzles are made with pictures from Go, Diego, Go! Now everyone in the

Youngsters can join the fantasy adventures with the Backyardigans and Diego with these Sudoku sticker puzzle books. Each includes more than 200 stickers for kid

Expert Sudoku is an all-new collection of handcrafted puzzles for the expert puzzle-solver. This is the book that challenges skilled solvers and Sudoku-lovers a

Strimko is a logic number puzzle invented by The Grabarchuk Family in 2008. It is based on the idea of Latin squares described by a Swiss mathematician and phys