Published in 1942, this children's book uses the story of the building of the George Washington Bridge next to the small lighthouse to affirm the idea that even the small are important. The book begins by introducing the lighthouse. Every night a man climbs up to the top of the lighthouse and uses some keys to turn on its flashing light, allowing it to do its job of warning the boats on the busy Hudson River of the rocks nearby. When there is fog, the man additionally turns on the lighthouse's fog bell. The lighthouse is pleased with and proud of its important job.