Karl James Mountford is the illustrator of Maurice the Unbeastly, The Space Train, and Last Stop on the Reindeer Express.

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.

Karl was born in Germany and grew up in various places around the UK.

Karl now lives in beautiful Carmarthen, in Wales, and works as an illustrator making picture books and screen prints, always leaving a paper trail of sketches and drawings wherever he goes.