Clíodhna O'Sullivan is a writer based in Co. Louth, Ireland. She works part-time as a legal counsel. In the last few years, she has taken part in several writer events, including as a panel moderator at a Terry Pratchett conference in DCU and panellist at the Cymera festival in Edinburgh. She's reasonably fluent in German and plays in a band, Molasha (you can find them on Spotify!). She is married with three children, one of whom is autistic, as well as far too many cats and a dog.

Her debut novel, Her Hidden Fire, is a searing, Irish-inspired romantic fantasy published by Penguin. It became a number 1 international bestseller, a Good Morning America Book Club pick, and an Indies Introduce and Indie Next pick by the American Booksellers Association.