Helen Mossis the author of many best-loved books for children, including the Adventure Island series and Secrets of the Tombs series. She lives near Cambridge with her family - including a menagerie of dogs, hens, gerbils and lizards.

When not writing, she can be found taking the dogs for long walks, climbing trees, playing badminton and, whenever possible, climbing up or skiing down mountains.
Misa Saburiwas born in Sleepy Hollow, New York, and raised in Tokyo, Japan. She currently lives in Brooklyn where she illustrates children's books, including Monster Trucks and Bearnard's Book, written by Deborah Underwood.