- SUDOKU Easy - Hard - 200 PUZZLES WITH SOLUTION: Volume 4
- SUDOKU Easy - Hard - 200 PUZZLES WITH SOLUTION: VOLUME 1 (SUDOKU CRAFTERS - 200 Easy - Hard SUDOKU)
- The Murder Mystery at Darkwood Castle: SUDOKU CRIME STORY 1 (Medium - Hard)
- 100 Sudoku Halloween Extreme: Large Print - One Puzzle Per Page
- 100 SUDOKU Happy Holidays Tricky - Hard - Brutal: Large Print - One Puzzle Per Page



























