Justine Larbalestier worked as a research fellow in the English Department, University of Sydney. In addition to the works listed on Austlit, she has published The Battle of the Sexes in Science Fiction (2002), a history of women and feminism in American science fiction, and Daughters of Earth : Feminist Science Fiction in the Twentieth Century (2006), an anthology of stories by American and British science fiction writers. For the latter book, Larbalestier won the 2007 William Atheling Jr Award for Criticism or Review.
Since the early 2000s she has been based in Sydney and New York.