Ultimate Puzzle Challenge!: 125+ Brain Puzzles for Kids, Hidden Pictures, Mazes, Sudoku, Word Searches, Logic Puzzles and More, Kids Activity Book for Super Solvers (Highlights Jumbo Books & Pads) Paperback – 5 February 2019

Ultimate Puzzle Challenge!: 125+ Brain Games for Kids, Mazes, Brain Teasers, Word Searches, Crossword Puzzles, Sudoku, Logic Puzzles and More, Kids Activity Book (Highlights Jumbo Books & Pads)

The Hardest Hidden Pictures Book Ever: The Hardest Hidden Pictures Book Ever (Highlights Hidden Pictures Puzzles) Over 1,500 Hidden Objects to Search and Find, Hardest Look-and-Find Book

Silliest Hidden Pictures Puzzles Ever: 144 Pages of Silly Puzzles, Tongue Twisters, Jokes and Activities with Over 1,450 Hidden Objects to Find (Highlights Hidden Pictures)