Dr. Katie O'Connell is a child clinical psychologist, family and community educator, and independent consultant. She specializes in early childhood development and the neuroscience of attention deficit disorder, learning issues, anxiety and depression, and related psychological conditions. Dr. O'Connell earned her bachelor's degree in Psychology and Writing-Intensive English from Marquette University in 1990, and her Master's and PhD degrees in Child Clinical Psychology from DePaul University in 1996. She completed her clinical training at the University of Chicago. Dr. O'Connell resides in Wellesley, Massachusetts USA with her husband and four children. She currently serves on the Board of Trustees of the Walnut Hill School For The Arts. Claire Philip is an experienced children's editor and writer based in the Essex countryside. She loves writing nonfiction books to ignite a sense of wonder in children, and has worked on hundreds of titles over the last ten years. Her favourite topics are the natural world, science, history. Stef Murphy is a freelance illustrator based in London. She has been drawing and storytelling from a young age. Her playful style and varied textures are achieved using rollers, sponges, brushes, and sometimes even twigs.