The Radiant Shell

The Radiant Shell is a science fiction novella by Paul Ernst, published in January 1932. The story follows Thorn Winter, a scientist who develops a method of invisibility to retrieve stolen plans for a devastating weapon that could threaten U.S. security. As he infiltrates the Arvanian Embassy, he faces numerous dangers, including armed guards and a vigilant dog, culminating in a tense confrontation. This work is notable for its early exploration of invisibility technology and its themes of espionage and national security.