After losing both of their parents, Bristol Keats and her sisters struggle to stay afloat in their small, quiet town of Bowskeep. When Bristol begins to receive letters from an aunt she's never heard of who promises she can help, she reluctantly agrees to meet--and discovers that everything she thought she knew about her family is a lie. Her father might even still be alive, not killed but kidnapped by terrifying creatures and taken to a whole other...