"Archaeologists have found some incredible things by digging deep underground: magnificent mummies from long, long ago, dinosaur bones washed up on the beach, the underwater kingdoms of great kings and queens, beautiful cities buried by volcano ash, and mighty meteors from beyond the Milky Way"--

Alexandra Stewart read Modern History at Oxford University before training to be a journalist. After working as a reporter on several newspapers, she crossed the floor to become a press officer for the Metropolitan Police and, later, Central Government. Since then, she has worked in the Civil Service in a number of roles, including as a ministerial speechwriter. Alex lives in Wiltshire, UK, with her husband, two young children and two rather grumpy rabbits called Batman and Robin.

Kitty Harris is a British illustrator who grew up in South London. Kitty graduated from Camberwell College of Arts with a distinction in her Master's degree in 2019 and was highly commended in the Macmillan Prize that same year. Her illustrations are always detailed and character-driven and she loves to explore different ways of mixing digital and traditional media.