RACHEL POLIQUIN is a writer engaged in all things orderly and disorderly in the natural world. With a cross-disciplinary background in visual arts, cultural history and natural history, she holds a Ph.D. in Comparative Literature from the University of British Columbia and a Post-Doctoral Degree in History from the Massachusetts Institute of Technology. Rachel is the author of the Superpower Field Guide series, and has also written for Science Friday, The Believer Magazine and the New York Times. KATHRYN DURST is a graduate of Sheridan College in Ontario, Canada. She has a background in animation, having interned with Pixar Animation Studios. Kathryn has illustrated numerous children's books, including the #1 New York Times bestseller from Paul McCartney, Hey Grandude!. When she is not illustrating books, she can be found playing the accordion, growing vegetables, folk dancing or putting on shadow puppet shows. She lives in Toronto, Canada, with her grumpy mini dachshund named Chili Dog.