Happy Color® – Color by Number, Coloring Book

Ultimate Maze Challenge for Adults (Kindle Scribe Only): Vol. 12 Boost Focus, Sharpen Logic, and Enjoy Hours of Engaging Maze Fun — Perfect for Kindle Scribe & Large-Format Digital Solving

You Gotta Be Kidding!: The Crazy Book of "Would You Rather...?" Questions

Write On! Cryptogram Puzzles (Kindle Scribe Only) (Write On! Kindle Scribe Activity Books)

Ultimate Maze Puzzles (Kindle Scribe Only): 100 Hyperlinked Mazes in Varied Shapes, Easy to Hard, with Full Solutions— Just for Adults! (Ultimate Puzzle ... Only) - For Adults, Seniors, and Teens)

Lost And Found: The Most Diabolical Hidden Objects Seek and Find EVER! – Adult Level, Super Hard Hidden Pictures Activity Book with Fun, Challenging, and Stress-Relief Visual Puzzles

Bletchley Park Brainteasers: The bestselling quiz book full of puzzles inspired by Bletchley Park code breakers

The Do-It-Yourself Escape Room Book: A Practical Guide to Writing Your Own Clues, Designing Puzzles, and Creating Your Own Challenges

The Ultimate Fun Adult Activity Book: Logic Puzzles, Sudoku, Mazes, Word Searches, Crosswords, Acrostics, Coloring, and More!