I love this book so much have an entire blog post about how to use in a CBT thought detective activity! The main character in this (very funny and silly) story has several unfounded worries that he eventually gets over. His worries are unfounded and catastrophic but to Twitchly, they are very real. His Aunt helps him to stop avoiding everyday things in his life and when he does, he sees that they are safe and his worries don’t come true. This book is great for both the thought detective activity and for working with students whose specific worries are really unrealistic.