"The Radio Detectives in the Jungle" by A. Hyatt Verrill is an adventure novel written in the early 20th century, published in 1922. This installment follows the Radio Detectives, specifically Tom Pauling and his friend Frank, along with their companions, as they embark on another thrilling quest to capture a nefarious criminal mastermind who has eluded them. Set against the backdrop of the Caribbean, the narrative promises a blend of action, mystery, and exploration as the young detectives pursue the villain across various islands. At the start of the book, the reader is introduced to the aftermath of a hurricane that has wreaked havoc in the Caribbean. The familiar characters, including Tom, Frank, and the diver Rawlins, are aboard a crippled destroyer while piecing together the disappearance of their enemy, who they suspect is lurking nearby. The opening chapters outline their previous adventures, hinting at the complexities of their investigation and the presence of an international criminal gang. As they set course to interrogate locals and follow leads while encountering the mysteries of the islands, tension builds with the possibility that those they seek are closer than they realize. As the characters engage in lively discussions about their theories, the stakes are raised dramatically with the arrival of an SOS signal suggesting that peril is lurking just below the surface of their mission. (This is an automatically generated summary.)