"Malcolm Sage, Detective" by Herbert George Jenkins is a detective novel written in the early 20th century. The narrative revolves around Malcolm Sage, an unconventional but clever investigator, as he navigates complex cases, often with the assistance of Sir John Dene and others. The mix of mystery, humor, and character-driven dialogue suggests an engaging exploration of detective work during a time when such stories were becoming increasingly popular. The opening of the book introduces Sir John Dene and his wife, Dorothy, as they discuss the introduction of Malcolm Sage as a private detective, following his distinguished service in a government agency. Their conversation is filled with playful banter, outlining both their characters and their admiration for Sage, who is seen as a somewhat eccentric figure. The dialogue sets the scene for the dynamics of the characters and hints at the central role of Malcolm Sage as a detective who, despite not fitting the typical mold, showcases an impressive intellect and problem-solving ability. As the chapter progresses, the promise of intriguing cases to come is established, paving the way for Sage's adventurous endeavors. (This is an automatically generated summary.)