Onlinegamefree Press
3x3 Kakuro Puzzles for Beginners : Logic Puzzles for Kids and Adults- 4-In-1 Activity Puzzle Books for Adults - Crossword, Kakuro, Sukoku, Word Search
- 4x4 Kakuro Puzzles for Beginners : Logic Puzzles for Kids and Adults
- 6x6 Kakuro Puzzles for Beginners : Logic Puzzles for Kids and Adults : 180 Cross Sum Games with Solution
- Crossword Puzzles for Seniors - Large Print Volume1
- Futoshiki Puzzles for Adults - Vol. 1 : 100 'More or Less' Logic Puzzle Games with Solution
- Kakuro Puzzle Books for Adults Vol. 1 : 100 Fun and Brainy Logic Puzzle Games with Solutions
- Marupeke Puzzle Book - Mixed Grids Volume 1 : Circles and Crosses : 100 Fun Japanese Tic Tac Toe Logic Puzzle Games with Solutions
- Sudoku Puzzles for Beginners : Level 2 Easy Book 1 : Logic Puzzles for Kids and Adults
- Sudoku Puzzles for Beginners : Level 3 Easy Book 1 : Logic Puzzles for Kids and Adults
- Sudoku Puzzles for Beginners : Level 4 Easy Book 1 : Logic Puzzles for Kids and Adults
- Sudoku Puzzles for Beginners : Level 5 Easy Book 1 : Logic Puzzles for Kids and Adults