- Teaching Logic using Group Puzzles
- Solving Group Logic Puzzles
- Puzzle Difficultly Levels Explained
- Detailed instructions for working a type 'Sudoku-Junior' group puzzle
- Detailed instructions for working a type 'Sudoku-6up' group puzzle
- Detailed instructions for working a type 'SuperSudoku-Junior' group puzzle
- Detailed instructions for working a type 'Sudoku-6up-UR-D' group puzzle
- Twenty-Four Easy (DiffLev 3) Sudoku-Junior Puzzles (numbers 1-24)
- Twenty-Four Easy (DiffLev 4) Sudoku-Junior Puzzles (numbers 25-48)
- Twenty-Four Easy (DiffLev 3) Sudoku-6up Puzzles (numbers 49-72)
- Twenty-Four Easy (DiffLev 4) Sudoku-6up Puzzles (numbers 73-96)
- Twenty-Four Easy (DiffLev 3) SuperSudoku-Junior Puzzles (numbers 97-120)
- Twenty-Four Easy (DiffLev 4) SuperSudoku-Junior Puzzles (numbers 121-144)
- Twenty-Four Easy (DiffLev 3) Sudoku-6up-UR-D Puzzles (numbers 145-168)
- Twenty-Two Easy (DiffLev 4) Sudoku-6up-UR-D Puzzles (numbers 169-190)