Garth Nix was born in Melbourne, Australia on July 19, 1963. He graduated from the University of Canberra in 1986 and worked various jobs within the publishing industry until 1994. After a stint in public relations, he returned to books and took up writing as a career. He is the author of Blood Ties, Clariel, Newt's Emerald, the Old Kingdom series, The Seventh Tower series, and The Keys to the Kingdom series. In 1999, he received a Golden Duck Award for Australian Contribution to Children's Science Fiction. To Hold the Bridge was named Best Collection by the 2015 Aurealis Awards. His novella, By Frogsled and Lizardback to Outcast Venusian Lepers, was named Best Science Fiction Novella by the 2015 Aurealis Awards. In 2018, he won the 2017 Aurealis Award for the Best science-fiction short story.
Sean Williams was born in Whyalla, Australia in 1967. He studied at Adelaide University receiving a Bachelor of Economics. Sean completed a Masters in Creative Writing in 2005 and is currently a PhD candidate. Sean is a prolific writer. His books include the Books of the Catalcysm and (with Shane Dix) Evergence, Orphans and Geodesica series. Sean is a multiple recipient of both the Ditmar and Aurealis Awards. He won the 2015 Aurealis Awards Best Science Fiction Short Story. His novelisation of Star Wars: The Force Unleashed was the first novelisation of a computer game to debut at #1 on the "New York Times" bestseller list.