M.G. Leonard has made up stories since she was a girl, but back then adults called them lies or tall tales and she didn't write them down. As a grown up, her favourite things to create stories about are beetles, birds, and trains. Her books have been translated into over forty languages and won many awards. She is the vice president of the insect charity Buglife, and a founding author of Authors4Oceans. She lives in Brighton with her husband, two sons, a dog called Nell, and a variety of exotic beetles.

Sam Sedgman is a bestselling author and presenter. Before writing stories for children, he worked as a playwright, journalist, and digital producer, and founded a company making murder mystery treasure hunts for adventurous Londoners. Written with his friend, M. G. Leonard, The Highland Falcon Thief was Sam's first book for young readers. A lifelong fan of puzzles, games, and detective fiction, he grew up with a railway at the bottom of his garden and has been mad about trains ever since. He lives in London.

Elisa Paganelli was born in Italy and since childhood, hasn't been able to resist the smell of paper and pencils. She graduated from the European Institute of Design in Turn and worked in advertising, as well as running an award-winning design shop and studio. She now collaborates as a freelance designer with publishers and advertising agencies all over the world, including designing and illustrating The House With Chicken Legs (Usborne) and the Travels of Ermine series (Usborne).