The Game Master's Book of Traps, Puzzles and Dungeons: A punishing collection of bone-crunching contraptions, brain-teasing riddles and ... RPG adventures (The Game Master Series)

Big Book of Sudoku: Over 500 Puzzles & Solutions, Easy to Hard Puzzles for Adults (Brain Busters)

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

Brain Games - Puzzles: Left Brain Right Brain

Easy Origami (Dover Origami Papercraft)over 30 simple projects

Ultimate Taylor Swift Sticker Mosaic Art: 13 Fearless Mosaic Art Designs & Fun Facts (Design Originals) For Swifties of All Ages - Removable, Reusable Stickers

I Spy: A Book of Picture Riddles

Ultimate Mind Games: With Over 400 Puzzles (Brain Busters)

Brain Games - Calm: Word Search - Large Print (Brain Games Large Print)

Math Riddles For Smart Kids: Math Riddles And Brain Teasers That Kids And Families Will love (Thinking Books for Kids)