Crossword Puzzles for Kids: Crossword Puzzles for Smart Kids Ages 8 and Up (Paperback, Crossword Puzzl)

Futoshiki Puzzle Book 5 x 5: Over 200 Challenging Puzzles, 5 x 5 Logic Puzzles, Futoshiki Puzzles, Japanese Puzzles (Paperback, Futoshiki Puzzl)

Sudoku for Kids: Sudoku Puzzles from Beginner to Advanced, 4x4, 6x6, 8x8, Grow Logic Skills! (Paperback, Sudoku for Kids)

Futoshiki Puzzle Book 6 x 6: Over 200 Challenging Puzzles, 6 x 6 Logic Puzzles, Futoshiki Puzzles, Japanese Puzzles (Paperback, Futoshiki Puzzl)

Slitherlink Puzzle Book: Great Logic Puzzle Collection, Slitherlink Puzzles, Logic Puzzle Book (Paperback, Slitherlink Puz)

Futoshiki Puzzle Book 9 x 9: Over 100 Challenging Puzzles, 9 x 9 Logic Puzzles, Futoshiki Puzzles, Japanese Puzzles (Paperback, Futoshiki Puzzl)