"The Fourth Invasion" by Robert W. Lowndes is a thought-provoking science fiction story set in a time when people are uneasy about the possibility of aliens. The book is about how easily people can be tricked into believing things without checking the facts, especially when it comes to stories about aliens. The main story follows some college students who claim they've seen UFOs, and a professor, Dr. Clayton, who tries to prove they're wrong. But as the story goes on, it turns out that Dr. Clayton and another professor are secretly planning to make people even more scared of aliens, in order to control how everyone reacts to the idea of aliens, making us think about what's real and what's not when we're afraid.

The Fourth Invasion
By Robert W. Lowndes
When college students’ UFO sightings are dismissed by a professor, a chilling conspiracy emerges, revealing a plan to manipulate the public into believing in a fabricated alien threat.
Summary
About the AuthorRobert Augustine Ward "Doc" Lowndes was an American science fiction author, editor and fan. He was known best as the editor of Future Science Fiction, Science Fiction, and Science Fiction Quarterly, among many other crime-fiction, western, sports-fiction, and other pulp and digest sized magazines for Columbia Publications. Among the most famous writers he was first to publish at Columbia was mystery writer Edward D. Hoch, who in turn would contribute to Lowndes's fiction magazines as long as he was editing them. Lowndes was a principal member of the Futurians. His first story, "The Outpost at Altark" for Super Science in 1940, was written in collaboration with fellow Futurian Donald A. Wollheim, uncredited.
Robert Augustine Ward "Doc" Lowndes was an American science fiction author, editor and fan. He was known best as the editor of Future Science Fiction, Science Fiction, and Science Fiction Quarterly, among many other crime-fiction, western, sports-fiction, and other pulp and digest sized magazines for Columbia Publications. Among the most famous writers he was first to publish at Columbia was mystery writer Edward D. Hoch, who in turn would contribute to Lowndes's fiction magazines as long as he was editing them. Lowndes was a principal member of the Futurians. His first story, "The Outpost at Altark" for Super Science in 1940, was written in collaboration with fellow Futurian Donald A. Wollheim, uncredited.