"Guaranteed free of unicorns and princesses, it's fun, empowering fiction for 5-8 year olds." David Nicholls, author of One Day"Every young girl should read this series!" Amanda Holden"I love this adventure! It's made me want to save the world, just like Katy, Cassie, and Zia!" Annabel, age 6Join best friends Katy, Cassie, and Zia on a series of amazing adventures as they work together to save the planet...Winter has arrived, and the girls decide to cozy up with a picnic in the North Pole. But to their surprise the Arctic Queen gives them a frosty reception.Before they can enjoy snowflake-shaped sandwiches and mountains of ice cream, they must first understand how important it is to protect the polar animals' habitat. But can they figure out how to stop the North Pole from melting?