Petal the Angry Cow

MAUREEN FERGUS is an award-winning author of books for kids of all ages. Her books have been translated into a dozen languages, optioned for film and adapted for stage. Her illustrated books include InvisiBill; The Day Santa Stopped Believing in Harold; You're In Good Paws; Petal the Angry Cow; and the Weenie Featuring Frank and Beans series. When not writing, Maureen runs, reads, bikes, bakes, works and hangs out with her husband, three kids and Buddy the Wonder Dog.

OLGA DEMIDOVA was born and raised in Russia. She studied at the Moscow Art Institute of Applied Arts and started work as an animator, but her tremendous passion for illustration changed the direction she works in. Now she works with publishers from all over the world and has published books and apps in Russia, Belarus and the US, mostly for children.