- Sudoku Big Book Kakuro - 500 Logic Puzzles 10x10 (Volume 2)
- Sudoku Big Book Kakuro - 500 Logic Puzzles 11x11 (Volume 3)
- Binary Puzzle Books - 400 Easy to Master Puzzles 7x7 (Volume 1)
- Numbricks Puzzle Books - 400 Easy to Master Puzzles 13x13 (Volume 5)
- Calcudoku Puzzle Books - 400 Easy to Master Puzzles 9x9 (Volume 5)





























