M.G. Leonard is the internationally bestselling author of the Battle of the Beetles trilogy and the non-fiction companion, The Beetle Collector's Handbook. Beetle Boy won the Branford Boase award and has been translated into thirty-seven languages worldwide. She is a beetle expert and lives in Brighton with her husband and two sons. Written with her friend, Sam Sedgman, the bestselling The Highland Falcon Thief.

Sam Sedgman is a novelist, playwright and award-winning digital producer. His work has been performed internationally and shortlisted for the Courtyard Theatre award. Written with his friend, M.G. Leonard, the bestselling The Highland Falcon Thief was Sam's first book for children. He lives in London and is a lifelong train and mystery enthusiast.

Elisa Paganelli was born in Italy. 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.