The Logic Puzzle Book for Teens: 100 Challenging Brain Games and Puzzles

The Logic Puzzle Book for Teens: 100 Challenging Brain Games and Puzzles

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

The Ultimate Brain Games And Puzzles Book For Teens: Tricky But Fun Brain Teasers, Trivia Challenges, Crosswords, Word Searches, Cryptograms And Much More To Keep Your Mind Sharp And Engaged