Kate Foster worked as a national newspaper journalist for more than twenty years before becoming an author. Growing up in Edinburgh, she became fascinated by its history and often uses it as inspiration for her stories. Her previous novels include The Maiden, which won the Bloody Scotland Crime Debut of the Year and was longlisted for the Women's Prize for Fiction, and The King's Witches. The Mourning Necklace is her third novel. She lives in Edinburgh with her two children.