Puzzle Book for Adults: Killer Sudoku, Kakuro, Numbricks and Other Math Puzzles for Adults: Volume 9 (Game, Puzzle and Activity Books)

Independently Published Basic Math Workbook For Adults With Addition, Subtraction, Multiplication, And Division With Word Problems: Simple Math Workbook For Adults With Practice Worksheets For Adults With Solutions

Addition and Subtraction Activity Book For Children - 80+ Activities Inside

Memory Activities Book for Seniors

Mazes Book for Adults: Over 100 Brain-Bending Maze Puzzles to Have Fun and Relief Daily Stress (Activity Maze Puzzles Book for Adults)