"Frank and Andy Afloat; Or, The Cave on the Island" is a juvenile adventure novel written by Vance Barnum. It follows the escapades of the two main characters, Frank and Andy, as they navigate the challenges of being afloat, particularly centered around discovering a cave on an island.Vance Barnum, while not as well-known as some other authors in the genre, wrote several adventure stories aimed at young readers during the early 20th century. These stories often featured themes of exploration, friendship, and overcoming obstacles.In "Frank and Andy Afloat," readers can expect an engaging tale of friendship and adventure, where the protagonists encounter mysteries, dangers, and thrilling discoveries as they explore the cave on the island.While Vance Barnum's works may not be as widely read today as some other juvenile fiction from the same era, they offer insights into the types of stories that captivated young readers during the early to mid-20th century.