Helen Scales is a writer, marine biologist, broadcaster and scuba diver whose work focuses on oceans and their inhabitants. She has a masters degree in Tropical Coastal Management from Newcastle University, and a PhD from Cambridge University, UK. Lisk Feng is an award-winning illustrator who lives in New York, USA. She has received awards from the Society of Illustrators and Communication Arts, for her work in the New York Times, Monocle, Time Out and more.