Group Puzzles (Sudoku Generalized)  Variations on Medium Education Sudoku Logic Puzzles, Volume 1.
  1. Teaching Logic using Group Puzzles
  2. Solving Group Logic Puzzles
  3. Fifteen Medium Education Puzzles (numbers 1-15)
  4. Fifteen Medium HyperEducation Puzzles (numbers 16-30)
  5. Twelve Medium Education-X Puzzles (numbers 31-42)