[1] Foster won the Bloody Scotland Pitch Perfect award in 2020 (when the festival took place online).
[2][3] Her first novel, The Maiden, won her the 2023 Scottish Crime Debut of the Year [4] and was longlisted for the 2024 Women's Prize for Fiction.
[6] Her second novel, The King's Witches, was included by The Herald in "the 10 best new historical fictions" in May 2024.
[7] It is set in the context of Anne of Denmark's betrothal to James VI and the North Berwick witch trials of 1590.
[8] It was reported that the 2025 title was to be The Reawakening, but Foster said in June 2024 that it will be The Mourning Necklace.