I Spy

I Spy is a novel by Natalie Sumner Lincoln, published in the early 20th century, centered on a German espionage plot to acquire two crucial American inventions during wartime: a specialized camera for aerial mapping and a revolutionary glass armor technology. Set in Washington, D.C., the narrative reveals a web of intrigue where nearly every character has a hidden agenda, culminating in a surprising conclusion. The book reflects the tensions of its era, highlighting themes of loyalty and deception in a time of conflict.