Julia Lawrinson hails from the outer suburbs of Perth, and writes for children and young adults. Her first novel, Obsession, won the 2001 WA Premier's Prize for Young Adult Writing.

Since then she has published more than ten novels, including Bye, Beautiful, which was shortlisted for both the QLD and WA Premier's Awards and was a 2007 CBC Notable Book, the popular Chess Nuts, which was 2010 CBC Notable Book, and The Flyaway Girls.

Her day jobs have included weighbridge attendant, whopper maker, English lecturer, Sergeant-at-Arms and Usher of the Black Rod. She loves dog beaches, Jack Russells and New York, and has just completed a Bachelor of Laws with distinction.

Heather Potter is an illustrator based in Melbourne. She has co-illustrated several books with her husband, Mark Jackson, and their work has been featured in several exhibitions. Their first Walker Book together was picture book Not Like Georgie by Scott Hatcher, 2008. Heather also illustrated the verse novel Pearl Verses the World in 2009 by Sally Murphy, which won the Children’s Book Category for the Indie Book of the Year Awards and Honour Book, Younger Readers category, Children’s Book Council of Australia Book of the Year Awards, 2010. Her latest book with Walker is Nanna’s Button Tin, written by Dianne Wolfer.

Mark Jackson is an illustrator based in Melbourne. He has co-illustrated several books with his wife, Heather Potter, and their work has been featured in several exhibitions. His books, including The Snow Wombat (written by Susannah Chambers), Waves (written by Donna Rawlins and co-illustrated by Heather Potter), Platypus (written by Sue Whiting), Bilby Secrets (written by Edel Wignell) and Stuck! (written by Charlotte Calder) have been shortlisted for multiple awards, including the Speech Pathology Australia Book of the Year Awards and the Children's Book Council of Australia Awards.