- The Big Book of Logic Puzzles - Masyu 400 Hard (Volume 17)
- Big Book Of Logic Puzzles - 400 Extreme Puzzles: Binary, Slitherlink, Shikaku, Sukrokuro, Greater than, Akari, Kropki, Mine, Hidoku, Sujikai (Volume 8)
- The Mini Book Of Logic Puzzles 2020-2021. Binary 10x10 - 240 Easy To Master Puzzles. #8
- Big Book Of Logic Puzzles - 400 Normal Puzzles: Sudoku, Sudoku X, Jigsaw, Suguru, Numbricks, Straights, Kakuro, Calcudoku, Futoshiki, Battleships (Volume 2)
- Big Book Of Logic Puzzles - 400 Easy Puzzles: Binary, Slitherlink, Shikaku, Sukrokuro, Greater than, Akari, Kropki, Mine, Hidoku, Sujikai (Volume 5)





























