"Boy Scouts in a Submarine; Or, Searching an Ocean Floor" by G. Harvey Ralphson is an adventurous novel written during the early 20th century. The story centers around a group of imaginative and resourceful Boy Scouts who set out on an exciting underwater mission aboard a submarine. Their goal is to recover gold from a sunken mail ship, which ties into a larger narrative involving potential international intrigue and espionage. The opening of the novel introduces the Black Bear Patrol, a lively group of Boy Scouts in New York City, as they gather to prepare for their next adventure, which involves an upcoming mission related to the Gulf of Tong King. The atmosphere is filled with youthful banter and excitement, particularly concerning the arrival of Captain Moore from the Secret Service who will provide the Scouts with instructions for their underwater expedition. As the chapter unfolds, the boys display their camaraderie and initial apprehensions about being under the command of an older officer. Tensions arise when Captain Moore arrives, challenging their independence and approach. This sets the stage for a gripping tale of adventure as they embark on their quest beneath the ocean's surface. (This is an automatically generated summary.)