L. Ron Hubbard Fiction: Order of Books

Is there a recommendation of which L. Ron Hubbard fiction book to begin with? Is there a recommended order of books to read?

Hard-Boiled Detective Thrills, Chills & Murder Mysteries

How did Sir Arthur Conan Doyle, L. Ron Hubbard and Dashiell Hammett hammer out hard-boiled detective stories in the Golden Age of Detective Fiction?