Longo, Frank. Third-Degree Black Belt Sudoku®. Union Square & Co., 2009.
eng

Frank Longo

Third-Degree Black Belt Sudoku®

  • Union Square & Co.
  • 2009
  • Taschenbuch
  • 192 Seiten
  • ISBN 9781402746499

Watch out--these sudoku might crush even the most stalwart of solvers!

Etwa 20 Tage