The Ultimate Activity Book for Smart Girls: Tricky Brain Teasers, Mind Games and Logic Puzzle Activities for Girls 8-12 (Activity Books for Kids)
The Epic Activity Book for Genius Boys: A Multiverse Adventure with Fun Brain Games, Logic Puzzles, and Creative Challenges for Smart Young Explorers ... Kids 8-12) (Doc's Activity Books for Kids)
Difficult Riddles For Smart Kids: 300 Difficult Riddles And Brain Teasers Families Will Love (Thinking Books for Kids)
The Fun Activity Book For Smart Boys: 100+ Brain Games to Boost Problem-Solving Skills, Focus, Cognitive Abilities & Confidence For Kids Ages 8-12
Super Fun Activity Book for Smart Girls: 100+ Mind Games, Logic Puzzles, Riddles & Brain Teasers (Screen Free Activities for Clever Kids 8-12)
Rare and Unusual Knowledge for Smart Boys: Amazing Truths, Cool Discoveries & Mind-Blowing Facts for Curious Young Thinkers (The Rare & Unusual ... Fuel the Curiosity. Empower the Mind.)
