Riddles For Smart Kids is contains over 400 various types of riddles geared at challenging smart kids and the entire family. They are designed to test logic, lateral thinking as well as memory and to engage the brain in seeing patterns and connections between different things and circumstances. Their purpose is to encourage children to think and stretch their minds. They are divided into 9 chapters and each chapter has 5 rounds, which get progressively more difficult as you read through the book.