Vivian French is a highly acclaimed children's author who has written more than 250 books during the course of her career, including Caterpillar, Butterfly, The Tales from the Five Kingdoms series and Yucky Worms.

Her recent work includes the critically acclaimed picture book The Most Wonderful Thing in the World and junior fiction The Adventures of Alfie Onion, The Cherry Pie Princess and The Witches' Midnight Feast.

Vivian teaches on the illustration course at Edinburgh School of Art, and helped to found the mentoring scheme Picture Hooks for aspiring young illustrators. She lives in Edinburgh

Ya-Ling Huang was born in Taiwan and received her master's degree in children's book illustration in the U.K., where she now makes her home. Ya-Ling writes and illustrates her own stories, and illustrates other picture books, young adult novels and magazines.

When she was seven, Ya-Ling decided she wanted to be a storyteller, and she has been creating stories and comics ever since. In 2016, her work was shortlisted for the Bologna International Award for Illustration, highly commended for the Macmillan Prize and awarded second place in Poland's Katowice \"A Well Designed Book\" competition.