Kerry is an award-winning cartoonist, illustrator and author, and also paints under the name of Kerry Thompson. She has illustrated more than 24 books and was author/illustrator of Quincy and Oscar and Gordon's Biscuit. The books she has illustrated include a Children's Book Council Book of the Year and an Honour Book, and she illustrated Nim's Island (L.A. Times list of best books for 2001) and Nim at Sea, which have been the basis for two movies. She is also well-loved for her illustrations in School Magazine. She has cartooned for The Sydney Morning Herald, The Law Society Journal (Law Society of NSW), Readers' Digest, Dolly magazine and many more.