- Pocket Sudoku Puzzle Book: Newbie Very Easy Level - 150 puzzles 9x9 & 16x16 grids Koi Fish Pattern Blue Travel Size Paperback Notebook
- Pocket Sudoku Puzzle Book: Newbie Level - 150 puzzles 9x9 & 16x16 grids Great Wave off Kanagawa Travel Size Paperback Notebook
- Pocket Sudoku Puzzle Book: Moderate Level - 150 puzzles 9x9 & 16x16 grids Great Wave off Kanagawa Travel Size Paperback Notebook
- Pocket Sudoku Puzzle Book: Advanced Level - 150 puzzles 9x9 & 16x16 grids Great Wave off Kanagawa Travel Size Paperback Notebook
- Pocket Sudoku Puzzle Book: Advanced Level - 150 puzzles 9x9 & 16x16 grids Koi Fish Pattern Blue Travel Size Paperback Notebook