Murdle: Volume 1 (Murdle, 1)

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

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

Brain Games - Large Print Word Search (Swirls)

1000+ Sudoku Puzzles for Adults: A Book With More Than 1000 Sudoku Puzzles from Easy to Hard for adults.

Brain Games - Scavenger Hunt Puzzles

Logic Workbook for Gritty Kids: Spatial reasoning, math puzzles, word games, logic problems, activities, two-player games. (The Gritty Little Lamb ... & STEM skills in kids ages 6, 7, 8, 9, 10.)

Large Print Merriam-Webster Puzzles 10 Booklet Set (Brain Games Large Print)

F*ck I'm Bored! Activity Book For Adults

Brain Games - To Go - Sudoku