Navy boys behind the big guns : $b or, Sinking the German U-boats

"Navy Boys Behind the Big Guns, or Sinking the German U-Boats" by Halsey Davidson is an adventure story set during World War I, following young Navy apprentices, Philip Morgan and his friends, as they confront the dangers of German U-boats while learning about bravery, patriotism, and friendship. The narrative begins with Philip Morgan and Alfred Torrance preparing for leave, excited to visit Elmvale and share their experiences, but Philip's suspicions of a stranger near the Elmvale Dam lead them to uncover a possible threat linked to the dam and mysterious activities in town which quickly turns their leave upside down. Their strong bond sets the stage for a story woven with friendship, loyalty, and the ever-present threat of war adding action-packed drama.