Martine is the author of three novels. Narcissism for Beginners was a 2019 People's Book Prize finalist and was longlisted for the Guardian Not The Booker Prize. It is published in Germany as Familie und andere Trostpreise (Family and other Consolation Prizes) and was optioned for TV by Hat Trick Productions.
Her first novel, I Have Waited and You Have Come, was longlisted for the Authors’ Club First Novel Award. Martine devised and ran the MA Creative Writing & Publishing at West Dean College in Sussex and before that had a successful career in the music industry as an artist manager. She has a Masters in Creative Writing from Manchester Met and another in Scriptwriting from Goldsmiths, for which she received a distinction. She was a Royal Literary Fund Fellow from 2021-24 and is currently studying for a PhD at Kingston University researching trauma and recovery in climate fiction.