"The Mystery of the Blue Train" is a detective novel written by the renowned British author Agatha Christie. It was first published in 1928 and features her famous fictional detective, Hercule Poirot. The story revolves around the murder of a wealthy American heiress named Ruth Kettering, who is...

"The Mystery of the Blue Train" is a detective novel written by the renowned British author Agatha Christie. It was first published in 1928 and features her famous fictional detective, Hercule Poirot. The story revolves around the murder of a wealthy American heiress named Ruth Kettering, who is...

"The Mystery of the Blue Train" is a detective novel written by the renowned British author Agatha Christie. It was first published in 1928 and features her famous fictional detective, Hercule Poirot. The story revolves around the murder of a wealthy American heiress named Ruth Kettering, who is...