In a Dark, Dark Wood by Ruth Ware

In a Dark, Dark Wood, author Ruth Ware's debut novel, is a very suspenseful mystery. Nora, a reclusive writer living in London, reluctantly attends a party to celebrate the marriage of Clare, a friend she hasn't seen for ten years, in a creepy glass house surrounded by woods in the north of England. The party goes disastrously wrong and someone ends up dead. Nora wakes up in a hospital room, with no memory of what happened. Is she a suspect or a victim? Will she regain her memory...