Group Puzzles (Sudoku Generalized)  Variations on Sudoku-by5 Logic Puzzles, Volume 1.
  1. Teaching Logic using Group Puzzles
  2. Solving Group Logic Puzzles
  3. Three Easy Sudoku-by5 Puzzles (numbers 1-3)
  4. Three Medium Sudoku-by5 Puzzles (numbers 4-6)
  5. Three Difficult Sudoku-by5 Puzzles (numbers 7-9)
  6. Three Challenging Sudoku-by5 Puzzles (numbers 10-12)
  7. Three Tournament Sudoku-by5 Puzzles (numbers 13-15)
  8. Three TournamentPlus Sudoku-by5 Puzzles (numbers 16-18)
  9. Three Perplexing Sudoku-by5 Puzzles (numbers 19-21)
  10. Three Easy Sudoku-Xtreme Puzzles (numbers 22-24)
  11. Three Medium Sudoku-Xtreme Puzzles (numbers 25-27)
  12. Three Difficult Sudoku-Xtreme Puzzles (numbers 28-30)
  13. Three Challenging Sudoku-Xtreme Puzzles (numbers 31-33)
  14. Three Tournament Sudoku-Xtreme Puzzles (numbers 34-36)
  15. Three TournamentPlus Sudoku-Xtreme Puzzles (numbers 37-39)
  16. Three Perplexing Sudoku-Xtreme Puzzles (numbers 40-42)
  17. Three Easy Education-Xtreme Puzzles (numbers 43-45)
  18. Three Medium Education-Xtreme Puzzles (numbers 46-48)
  19. Three Difficult Education-Xtreme Puzzles (numbers 49-51)
  20. Three Challenging Education-Xtreme Puzzles (numbers 52-54)
  21. Three Tournament Education-Xtreme Puzzles (numbers 55-57)
  22. Three TournamentPlus Education-Xtreme Puzzles (numbers 58-60)
  23. Three Perplexing Education-Xtreme Puzzles (numbers 61-63)
  24. Three Easy HyperSudoku-by5 Puzzles (numbers 64-66)
  25. Three Medium HyperSudoku-by5 Puzzles (numbers 67-69)
  26. Three Difficult HyperSudoku-by5 Puzzles (numbers 70-72)
  27. Three Challenging HyperSudoku-by5 Puzzles (numbers 73-75)
  28. Three Tournament HyperSudoku-by5 Puzzles (numbers 76-78)
  29. Three TournamentPlus HyperSudoku-by5 Puzzles (numbers 79-81)
  30. Three Perplexing HyperSudoku-by5 Puzzles (numbers 82-84)
  31. Three Easy HyperSudoku-Xtreme Puzzles (numbers 85-87)
  32. Three Medium HyperSudoku-Xtreme Puzzles (numbers 88-90)
  33. Three Difficult HyperSudoku-Xtreme Puzzles (numbers 91-93)
  34. Three Challenging HyperSudoku-Xtreme Puzzles (numbers 94-96)
  35. Three Tournament HyperSudoku-Xtreme Puzzles (numbers 97-99)
  36. Three TournamentPlus HyperSudoku-Xtreme Puzzles (numbers 100-102)
  37. Three Perplexing HyperSudoku-Xtreme Puzzles (numbers 103-105)