Lisa Harvey-Smith is an award-winning astronomer and Professor at the University of New South Wales. In 2018 she was appointed as the Australian Government's Ambassador for Women in Science, Technology, Engineering and Mathematics (STEM).

Author image courtesy of Museum of Applied Arts and Sciences

Mel Matthews is an illustrator who lives and works on the beautiful Mornington Peninsula in Victoria. After a brief stint as a jazz musician, she studied fine art and illustration before becoming a full-time illustrator, creating artwork for books, games and products of all kinds. When she's not drawing, Mel can usually be found swimming, reading, writing, talking to parrots, or looking for the International Space Station on a clear starry night.