Londoner Jennifer Bell worked as a children’s bookseller at a world-famous bookshop before becoming an author. Her debut novel, The Uncommoners: The Crooked Sixpence, was an international bestseller.

She is also the author of Agents of the Wild, an adventure series for younger readers; Wonderscape, which was selected as a Waterstones Children's Book of the Month and is inspired by some of her favourite heroes from history and her love of gaming; and Legendarium, which celebrates incredible legends from around the world. Magicalia: Race of Wonders is the first in an exciting new fantasy series.

Brett Helquist's celebrated art has graced books from the charming Bedtime for Bear, which he also wrote, to the New York Times—bestselling A Series of Unfortunate Events by Lemony Snicket to the glorious picture book adaptation of Charles Dickens's A Christmas Carol. He lives with his family in Brooklyn, New York.