Alex Bell has published novels and short stories for both adults and young adults including Frozen Charlotte. The Polar Bear Explorers' Club is her first foray into middle grade. She always wanted to be a writer but had several different back-up plans to ensure she didn't end up in the poor house first. After training as a lawyer, she now works at the Citizens Advice Bureau. Most of her spare time consists of catering to the whims of her Siamese cat.
Tomislav Tomic was born in 1977. He graduated from the Academy of fine arts in Zagreb (Croatia) in 2001. He started to publish his illustrations during his college days. He has illustrated a great number of books, picture books, schoolbooks and lot of covers for children books. So far he has worked with a lot of Croatian publishers and with some clients in United Kingdom. He lives and works in town of Zapresic, Croatia.