- Binary Puzzle Books - 400 Easy to Master Puzzles 7x7 (Volume 1)
- Sudoku Big Book Kakuro - 500 Logic Puzzles 10x10 (Volume 2)
- Sudoku Easy as ABC - 200 Master Puzzles 8x8
- Variety Puzzle Books for Adults - 400 Easy to Normal Puzzles 9x9: Straights, Numbricks, Suguru, Calcudoku (Volume 5)
- Sudoku Easy as ABC - 200 Hard to Master Puzzles 9x9





























