- Book of Sudoku Variants - Jigsaw Sudoku, Killer Sudoku, Tripod Sudoku, Sudoku X - 200 Easy Puzzles Book 1
- CalcuDoku Puzzles Mixed - 200 Normal Puzzles vol.2
- Suguru Puzzles - 200 Hard to Master Puzzles 8x8 vol.12
- Sudoku X 12x12 - 200 Easy to Very Hard Puzzles vol.10
- Sudoku X 12x12 - 200 Hard Puzzles vol.3





























