One by One by Ruth Ware

Meet Author Ruth Ware:"Ruth Ware is an international number one bestseller. Her thrillers In a Dark, Dark Wood, The Woman in Cabin 10, The Lying Game, The Death of Mrs Westaway, The Turn of the Key and One by One have appeared on bestseller lists around the world, including the Sunday Times and New York Times, and she is published in more than 40 languages. She lives on the south coast of England, with her family." ~Amazon Follow or find out more about the author on these sites:  
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