Jonny Marx lives in London, where he works as a children's book editor and author. From a compendium of mythical creatures and a chronology of prehistoric creatures, to books about crime capers, lost unicorns, incredible human beings and humankind, Jonny has worked on more than 60 titles (and counting!).

Xuan Le is an illustrator based in Saigon, Vietnam. After graduating with a major in fashion design from IUH, she received a second degree in graphic design at the University of Fine Arts in Ho Chi Minh City.

Xuan became a full-time illustrator in 2015 with local and international clients. She likes to combine strong colours with eccentric details, mixing past, future and surreal worlds together.