Sharon (formerly S J) Bolton lives in Buckinghamshire with her husband and, occasionally, her grown up son and is working on her eighteenth novel; her eighth with Orion. Her first book, Sacrifice, was voted Best New Read by Amazon.uk, whilst her second, Awakening, won the 2010 Mary Higgins Clark Award (part of the prestigious Edgars) in the US. In 2014, she won the CWA Dagger in the Library. She has been shortlisted for the CWA Gold Dagger, the CWA Steel Dagger, the Theakston's Prize for Best Thriller, the International Thriller Writers' Best First Novel award, the Prix Du Polar in France and the Martin Beck award in Sweden.
Katie Scarfe trained at LAMDA and has appeared on stage at the National Theatre. She is an experienced audiobook narrator.