This collection is tailor-made for solvers who are going absolutely nuts for sudoku! Mental Case Sudoku?from the ?Doctor of Puzzledom Frank Longo and the popular brand, Blue Q?will cure what ails them. And with studies showing that puzzles may help you keep your marbles, too, these sudoku are a challenge worth taking!
Mental Case Sudoku is onder andere te koop bij: Bol. Esy raadt altijd aan om meerdere aanbieders te bekijken om geen last minute deals mis te lopen.