"The Radio Boys Under the Sea; or, The Search for Sunken Treasure" is an exciting adventure about radio amateur boys who go in search of treasure at the bottom of the ocean. Under the guidance of the group's resourceful leader, the boys use their radios to find treasures and solve mysteries. They face dangers, challenges and mysteries that are intertwined in this exciting book written by author J. W. Duffield. It all culminates in a thrilling finale that will leave the reader on the edge of their seat, wanting to find more adventures with the Radio Boys Under Water.