A Line to Kill (Hawthorne and Horowitz Mystery #3)

"When Ex-Detective Inspector Daniel Hawthorne and his sidekick, author Anthony Horowitz, are invited to an exclusive literary festival on Alderney, an idyllic island off the south coast of England, they don't expect to find themselves in the middle of murder investigation--or to be trapped with a cold-blooded killer in a remote place with a murky, haunted past. Arriving on Alderney, Hawthorne and Horowitz soon meet the festival's other guests--an eccentric gathering that includes a bestselling c…