Sudoku-USA

Fall down the rabbit hole of Sudoku variations!

Take a new and curious turn in your Sudoku journey in Sudoku in Wonderland, from Sudoku-USA. Sudoku in Wonderland contains over 100 new Sudoku variations, ranging in difficulty from easy to quite vexing.

Sudoku in Wonderland is available through Amazon.com or by special order through your local book store.