Andrew Joyner is an internationally published illustrator and author. His books include The Terrible Plop, written by Ursula Dubosarsky (shortlisted for the CBCA awards and the Prime Minister's Literary Awards), and the Boris series. Boris Gets a Lizard was shortlisted for the Speech Pathology Awards and Ready, Set, Boris was a Notable book in the CBCA Awards.

Recent Boris books include Boris on Show and Slow Down Boris. His picture books include Too Many Elephants in this House (with Ursula Dubosarsky) and How Big is Too Small (with Jane Godwin) and, coming soon, Blue the Builder's Dog (with Jen Storer). He lives in Strathalbyn, South Australia.