ELLY GRIFFITHS wrote four novels under her own name, Domenica de Rosa before turning to crime with The Crossing Places, the first novel featuring forensic archaeologist Dr Ruth Galloway. The Crossing Places won the Mary Higgins Clark award and five novels in the series have been shortlisted for the Theakstons Crime Novel of the Year. The Locked Room (Ruth #14) was number one on the Sunday Times bestseller list. Elly also writes the Brighton Mysteries, set in the theatrical world of the 1950s. In 2016 Elly was awarded the CWA Dagger in the Library for her body of work. Her first standalone mystery, The Stranger Diaries, won the 2020 Edgar award for Best Crime Novel. The second, The Postscript Murders, was shortlisted for the CWA Gold Dagger. Elly also writes a children's mystery series, A Girl Called Justice. Elly teaches on the creative writing MA at West Dean College and on the crime-writing MSt at Madingley Hall, University of Cambridge.