

In 2008 de Pierres began writing humorous crime under the pseudonym Marianne Delacourt. Transformation Space won an Aurealis Award for Best SF novel in 2011. Her second series, Sentients of Orion comprises four books: Dark Space, Chaos Space, Mirror Space and Transformation Space, published in the United Kingdom through Orbit Books. The novels in this series include Nylon Angel, Code Noir, and Crash Deluxe and have been adapted into a role-playing game. In 2004, her series of novels with the protagonist Parrish Plessis, a postapocalyptic bodyguard and bounty hunter, was published in the United Kingdom through Orbit Books and in 2005 in the United States through Roc Books. The greater body of her work has seen publication in the UK and Australia.
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She was also involved in the early planning stage of Clarion South. Throughout her writing career she has been actively involved in promoting Speculative Fiction in Australia and is the co-founder of the Vision Writers Group with Rowena Cory Daniells, and ROR – wRiters on the Rise, a critiquing group for professional writers. In 2019, she completed her PhD in Creative Writing at the University of Queensland. Born in Western Australia, she finished her undergraduate studies at Curtin University in Perth and later studied a Postgraduate Certificate of Arts in Writing, Editing and Publishing at the University of Queensland. Marianne de Pierres (born 1961) is an Australian science fiction author. Marianne de Pierres (photo by Amanda Greenslade, 2007)
