Pocket Sudoku Book For Teens & Adults, 160 Puzzles For The Traveler!: Solutions Included /Easy To Hard Grids/ Compact Size /4x6 Inches In Size (Pocket Brain Power Series)
Christmas Mazes Book For Kids: Featuring +99 Mazes Puzzle To Boosts Children' Brain Power - Unique Christmas Presents For Kids Boy & Girls (Stocking ... For Boys) (Christmas Gifts For Kids Ages 4-8)