When the going gets tough, the tough solve sudoku!
Features: * 200 easy to easy to hard Sudoku puzzles * Portable and perfect for solving on the go * Edited by the #1 man in American crosswords, Will Shortz
When the going gets tough, the tough solve sudoku!
Features: * 200 easy to easy to hard Sudoku puzzles * Portable and perfect for solving on the go * Edited by the #1 man in American crosswords, Will Shortz