The Boy Allies Under the Sea; Or, The Vanishing Submarines

"The Boy Allies Under the Sea; Or, The Vanishing Submarines" by Clair W. Hayes is an early 20th-century adventure about World War I. Two young friends, Frank Chadwick and Jack Templeton, jump into action when German submarines mysteriously disappear after causing trouble for the British. Eager for adventure, Frank and Jack use their past naval and spy skills to find out what happened to these lost submarines, starting with a mission from a British naval commander. The story promises to be exciting, full of friendship, mystery, and wartime suspense, as the boys face danger head-on.