This document provides a summary of Arthur Conan Doyle's novel "The Hound of the Baskervilles". It includes biographical information about Conan Doyle, noting that he was born in 1859 in Ireland and studied medicine. The summary describes that the novel marks Sherlock Holmes' return after being defeated by his enemy Moriarty. It then provides a 3 sentence summary of Chapter 15, describing Sherlock Holmes investigating the death of a member of the Baskerville family on their estate in Dartmoor, and ultimately discovering that a neighbor was using a large hound to attack family members in an attempt to claim their estate.