Harriet Castor sold her first book for publication at the age of twelve. Since then she has written more than forty books for children, plus a novel for adults. She grew up in Warwickshire, where she attended a full-time ballet school, but gave up dancing for Cambridge and a history degree. Harriet lives in Bristol. Born in Croatia, award-winning artist Zdenko Basic graduated from the Zagreb Academy of Fine Arts in 2005. He has since illustrated many children's books, including The Tales from Long Ago and The Cleverest Spider. In addition to his books, Zdenko works as a costume designer and scenographer.