Sean Williams is a multi-award-winning, #1 New York Times best-selling author for readers of all ages. With over four million published words, in the form of series, novels, short stories and poems that have been translated into multiple languages for readers around the world, he has worked with visual artists, dramaturges, composers and other writers on collaborative works that include stories set in the Star Wars and Doctor Who universes, original series created with Garth Nix, and a science-fiction musical performed at the National Museum in Canberra.

In 2017, he was the recipient of the Australian Antarctica Division's annual Arts Fellowship. His most recent novels Impossible Music and Her Perilous Mansion were nominated for the Ethel Turner Prize for Young People's Literature and the Patricia Wrightson Prize for Children's Literature respectively. Both are Children's Book Council of Australia Notable Books. As well as being a senior lecturer at Flinders University, he writes articles about creative writing; composes music that has been released internationally and commissioned for exhibitions, live performances, and the stage; and cooks a mean Brussels sprout.

Deborah Biancotti has published two short story collections. Her Aurealis-shortlisted Bad Power explored ordinary people discovering their superpowers.

All three authors live in Sydney, where they are part of the overlapping communities of writers of genre and young adult fiction. They meet at a pub to keep the Zeroes series on track and squabble about characters' motivations.