Much of her work draws on myth, the Arthurian legends, and the historical world of Celtic and post-Roman Britain. She has a particular interest in the Celtic saints. Works for adults include the Morgan Le Fay series and the Suzie Fewings crime novels, Her best known children’s books are the Pangur Ban fantasy series.
She has been shortlisted three times for the Guardian Children’s Book award and is the winner of the Barco de Vapor Award and the CRT Fiction Book of the Year.
She also writes non-fiction books on historical themes. Her latest publications are books of advice and prayer on subjects such as Dementia and Anxiety.
Fay writes full time and lives in a Tudor cottage in Devon.