Kate Foster worked as a national newspaper journalist for over 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 in 2023 and was longlisted for the Women's Prize for Fiction in 2024, The King's Witches, and The Mourning Necklace. The Repentants is her fourth novel. She lives in Edinburgh with her two children.

Kate Foster worked as a national newspaper journalist for over 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 in 2023 and was longlisted for the Women's Prize for Fiction in 2024, The King's Witches, and The Mourning Necklace. The Repentants is her fourth novel. She lives in Edinburgh with her two children.