Hey kids are you ready to train your brains? This series of fun books will really let kids give their brains a workout! Split into three levels of difficulty called Super Brain, Mega Mind, and Ultra Genius the book gets more challenging as the pages fly by. All the answers are included at the back of the book, and different challenges test all areas of puzzle solving. Giving your brain a workout has never been so much fun! Designed by three puzzle-book pros and Mensa members.