Ruth Warburton (born 1977), known by the alias Ruth Ware, is a British psychological thriller author. Her novels include In a Dark, Dark Wood (2015), The Woman in Cabin 10 (2016), The Lying Game (2017), The Death of Mrs Westaway (2018), The Turn of the Key (2019), One By One (2020), The It Girl (2022) and Zero Days (2023). Both In a Dark, Dark Wood and The Woman in Cabin 10 were on the UK's Sunday Times and The New York Times top ten bestseller lists.[1] She is represented by Eve White of the Eve White Literary Agency.[2] She switched to the pen name Ruth Ware to distinguish her crime novels from the young-adult fantasy novels published under her birth name.[3]