- Kakuro Cross Sums - Hard Volume 2: 200 Hard Kakuro Cross Sums
- Kakuro Cross Sums - Hard Volume 4: 200 Hard Kakuro Cross Sums
- Kakuro Cross Sums - Medium Volume 4: 200 Medium Kakuro Cross Sums
- Extra Large Print Sudoku (Very Easy) Volume 3: 100 Very Easy - Large Print Sudoku Puzzles
- Kakuro Cross Sums - Hard Volume 1: 200 Hard Kakuro Cross Sums





























