"A Strange Disappearance" by Anna Katharine Green is a detective novel written in the late 19th century. The book follows the astute detective, Mr. Gryce, as he investigates the mysterious disappearance of a young girl named Emily from the house of her employer, Mr. Blake. The novel delves into themes of abduction, secretive relationships, and the quest for truth. The opening of the story introduces readers to a detective's precinct where a woman, distressed and anxious, seeks help after Emily vanishes under suspicious circumstances. The woman, identified as Mrs. Daniels, the housekeeper, reveals that Emily was taken from her room in a manner that suggests foul play. As the detective and his colleague begin their investigation, they uncover several intriguing details that raise questions about Emily's character and her connection to Mr. Blake, all while hints of a potential romantic subplot between Mr. Blake and a mysterious figure who once was his cousin begin to surface. The narrative sets the stage for a tangled web of secrets, driving the plot forward as the search for Emily unfolds. (This is an automatically generated summary.)