Tammy Cohen is the author of five psychological thrillers, including the bestselling When She Was Bad. She also wrote three commercial women’s fiction novels debuting with The Mistress’s Revenge which was published all round the world. In addition, she has written two historical fiction novels under the pseudonym of Rachel Rhys. The first, Dangerous Crossing, was a Richard & Judy book club pick in Autumn 2017. The most recent, Fatal Inheritance, was published in hardback in July 2018. She is a member of the Killer Women crime writing collective and lives in North London with her partner and three (allegedly) grown up children and her highly neurotic dog.