Edge graduated with an English Literature degree from Bristol University. She moved to Sydney, Australia in 1992 and worked as an editor for several consumer illustrated magazines. Her short tales appeared in the literary illustrated magazines Westerly and Ulitarra. In 2002 Edge relocated from Sydney to the small township of Bicheno, Tasmania to work on her second novel.

Her first novel, The Company, was published in 2000 and was a work of historical fiction based around the wreck of the Batavia on its maiden voyage off the Western Australian coast. The book was shortlisted for the 2001 Miles Franklin Award, and won the 2001 Commonwealth Writers' Prize for Best First Book in the Southeast Asia/South Pacific region.

A second novel, The God of Spring was published in 2005. Also a work of historical fiction, the novel is set during the French Revolution and based on the life of artist Théodore Géricault as he researches and completes his controversial painting, The Raft of the Medusa.

Edge is married and has one stepdaughter.

Novels

• The Company: The Story of a Murderer (2000)
• The God of Spring (2005) aka The Raft