"Before she was a well-known environmentalist activist, Greta was just a girl living in Stockholm, Sweden. She first heard about climate change when she was only eight years old, and she couldn't understand why no one seemed to be doing anything about it."--

Tracey Turner is an author and editor and has written more than 70 books that cover a wide range of topics, including famous writers, breakthrough inventions, and deadly perils. She lives in Bath, England, with her partner and son.

Tom Knight is an illustrator and writer. When not drawing, he can be found trying to play various musical instruments or staring out at a boat in his front garden that he wishes he knew how to fix. He lives in England with his wife, Tabby, and his two sons, Archie and Seth.