Difficult Riddles For Smart Kids: 300 Difficult Riddles And Brain Teasers Families Will Love (Thinking Books for Kids)

Murdle: Volume 1 (Murdle, 1)

The Ultimate Brain Health Puzzle Book for Adults: Crosswords, Sudoku, Cryptograms, Word Searches, and More! (Ultimate Brain Health Puzzle Books)

Escape Room Advent Calendar 2.0 for Adults: Experience a Captivating Adventure with 24 Games, Puzzles, and Riddles to Solve Before Christmas (Book + App)

The Easy and Relaxing Memory Activity Book for Adults: Includes Relaxing Memory Activities, Easy Puzzles, Brain Games and More

There's Treasure Inside

Brain Games - Scavenger Hunt Puzzles

Brain Games - Criminal Mind Puzzles

Detective Escape Room Advent Calendar for Adults: Solve the Puzzles, Crack the Case, Start the Christmas Countdown

Brain Games - To Go - Sudoku