"The Secret of the Green Ray" is an exciting detective novel by the famous writer William Le Chieu. In this book, the story of a mysterious crime is depicted, which is solved by a young detective, getting confused in continuous intrigues and betrayal. A green ray appearing in the sky becomes the key to uncovering the mystery, and every page of this book keeps the reader in suspense. The Secret of the Green Ray is a gripping story that is sure to leave you on the edge of your seat.