"The Hound of the Baskervilles" by Sir Arthur Conan Doyle
"The Adventures of Sherlock Holmes" by Sir Arthur Conan Doyle
"The Maltese Falcon" by Dashiell Hammett
"The Maltese Falcon" is a hard-boiled detective novel featuring PI Sam Spade solving a web of deceit and murders related to a valuable statue.
"And Then There Were None" by Agatha Christie
This is a classic murder mystery by Agatha Christie, featuring ten strangers who are invited to a remote island and systematically murdered one by one, with no one left to trust.