Moonflower Murders by Anthony Horowitz is a throwback novel in the vein of Agatha Christie's best works. Publisher turned hotel owner Susan Ryeland is feeling restless until a couple check in and regale her with the tale of a potentially wrongly accused man and a missing woman. Thanks to a surprising connection to the mystery, Susan is certain she can prove the man's innocence and find the woman, and she's ready and willing to take on the case.