"The Dream Doctor" by Arthur B. Reeve is a detective novel written in the early 20th century. The story revolves around Professor Craig Kennedy, a brilliant scientist and detective, who employs modern scientific methods to solve complex criminal cases. The narrative begins with an assignment given to Kennedy’s friend, Walter Jameson, who is tasked to observe Kennedy over the course of a month, capturing the intricacies of his scientific detective work. At the start of the novel, Jameson discusses his assignment with Kennedy, who is soon called upon to investigate a mysterious death involving a prominent broker named Price Maitland. The circumstances surrounding Maitland's demise are perplexing, as he was found paralyzed and speechless before his death, with a cryptic note found in his pocket. As they delve deeper into the case, they explore various leads, including Maitland’s dreams and his wife’s potential involvement. Reeve sets the stage for a gripping mystery filled with psychological elements, scientific investigation, and a complex web of relationships, hinting at a tale where dreams and reality intertwine dramatically. (This is an automatically generated summary.)