Leading mythology expert PROFESSOR MORTIMER in the words of EMILY HAWKINS, a writer and editor of children's books for all ages. Emily wrote the New York Times bestseller Oceanology, as well as several other titles in the Ology series, which has sold over 16 million copies worldwide. She holds a first-class English degree from Nottingham University, and now lives in Winchester with her young family.

VICTO NGAI is a Forbes 30 Under (Art and Style) honoree and a Society of Illustrators New York Gold Medalist. Originally from Hong Kong, she now lives in Los Angeles.