"The River Motor Boat Boys on the Rio Grande: In Defense of the Rambler" by Harry Gordon is a children's adventure novel written in the early 20th century. The story follows a group of spirited boys who embark on an exciting journey along the Rio Grande aboard their motor boat, the Rambler. As they navigate the river, they find themselves defending their beloved boat against pirates while engaging in various thrilling escapades that test their bravery and camaraderie. The opening portion of the book introduces the boys as they hear a cry for help while on the river. A large bulldog named Captain Joe leaps into action, prompting the boys to search for a drowning lad, whom they ultimately rescue from the current. As they assess the injured boy, they learn about the dangerous gang of robbers that control the area, setting the stage for the adventures to come. The boys’ quick-thinking and teamwork showcase their youthful spirit as they confront challenges, including the unexpected appearance of wild animals. This playful yet tense beginning hooks the reader into a world of adventure filled with humor, friendship, and the quest for justice on the river. (This is an automatically generated summary.)