The terrors of the upper air

In Short

The Terrors of the Upper Air is a gripping blend of aviation adventure and hard-boiled detective fiction. It follows two daring aviators who, while fleeing justice for a bank robbery, attempt to set a world altitude record before a live audience. The narrative oscillates between the technical marvel of long-distance wireless communication and the harrowing reports of monsters encountered in the clouds. It remains a fascinating relic of early science fiction, capturing the era’s awe of flight and its desperate desire to believe in the unknown.

The Story

The narrative begins at a State Fair, where the renowned investigator Pemberton prepares to arrest two aviators, Kidwell and Dexter. The pair are prime suspects in a violent bank robbery that left a cashier dead and a half-million dollars missing. Just as Pemberton closes in, the men take off in their plane, intent on breaking the world altitude record. Because they have equipped their aircraft with a sophisticated wireless telephone, the crowd and the authorities are able to listen to a live, play-by-play broadcast of their ascent.

As the aviators climb higher, the audience is mesmerized by reports of extreme cold, thinning air, and the harrowing experience of being tossed by invisible wind currents. The tone shifts from scientific wonder to sheer terror when the men report discovering a hidden world of floating islands made of a sponge-like, greenish vegetation. Kidwell describes encounters with bizarre creatures—bat-like birds and ribbon-like reptiles—that inhabit these heights. The broadcast grows increasingly frantic as the pilots watch these monsters engage in violent, mid-air battles.

The situation turns dire when the aviators are pursued by these creatures. After their propeller is destroyed in a collision, they are forced to crash-land their plane into a crater on one of the floating islands. The audience below listens in stunned silence as the two men struggle to survive, eventually deciding to use their parachutes to flee the swarming monsters. Kidwell describes the harrowing death of Dexter, who is dragged away by the beasts, leaving Kidwell alone to defend the cockpit. Finally, a blood-curdling shriek from Kidwell signals his demise. Shortly after, debris from the plane and a shower of one-dollar bills rain down upon the fairgrounds.

Weeks later, the mystery persists. Pemberton remains haunted by the event, unable to determine if the public witnessed a genuine tragedy or a masterfully executed performance. He contemplates the possibility that the entire broadcast was a hoax, designed to cover an escape with the stolen fortune. The story concludes with the detective left to wonder if he listened to the final moments of two brave men, or the final act of two brilliant, cold-blooded criminals who used the sky itself to vanish.

How It Unfolds

The detective’s target Pemberton confronts the Fair President, revealing that the aviators are suspects in a brutal bank robbery. He explains that their escape from a police net was made possible by an airplane, which they hid using a remote wooded landing strip.

The wireless broadcast As the pilots ascend, the crowd hears their voices through large phonograph horns. The listeners are treated to a live account of the flight, including the pilots' annoyance with toy balloons and their transition into violent, high-altitude wind currents.

The discovery of the islands Kidwell reports the existence of floating vegetation and strange, bat-like life forms. The tone darkens as the pilots attempt to capture a specimen, leading to a collision with a serpentine creature that leaves their plane damaged.

The struggle for survival The pilots witness a gruesome fight between two giant, monstrous predators. When these creatures turn their attention to the plane, the aviators are forced down, and the audience hears their desperate efforts to escape using parachutes.

The final scream The broadcast ends abruptly after Kidwell describes Dexter’s death and his own impending doom. A shower of blood-stained debris and small-denomination currency falls on the crowd, serving as the only physical evidence of the struggle.

The detective’s doubt Pemberton reflects on the lack of proof regarding the upward air currents or the whereabouts of the bulk of the stolen money. He is forced to consider if the entire ordeal was an elaborate deception rather than a supernatural death.

The People

Pemberton is a legendary detective defined by his professional obsession and his refusal to accept easy answers. He drives the investigation forward, not through physical chase, but through analytical skepticism. By the end, he is humbled by his inability to reconcile the evidence with the laws of nature.

Kidwell acts as the primary voice of the duo, providing the play-by-play commentary that captivates the audience. He is charming, daring, and seemingly fearless, though his narrative may be a calculated performance. He portrays himself as a man caught in a nightmare, yet he leaves behind enough ambiguity to make one wonder if he is a victim or a mastermind.

Dexter is the silent pilot, often referred to as "Old Dex." He handles the technical operation of the plane while Kidwell manages the communication. He serves as the primary foil to Kidwell's vocal flair; his death, as described by his partner, is the turning point that transforms the flight from an adventure into a tragedy.

The President of the State Fair represents the gullible public. He is eager for the excitement of the record-breaking flight and serves as a conduit for the audience's emotional response. He is the first to be swayed by the broadcast's drama, moving from professional concern for his event to pure, paralyzed shock.

In Its Own Voice

“Our knowledge of the upper air is very limited.”

The narrator introduces the vast, terrifying unknowns that face humanity as it attempts to conquer the skies.

“The two men who did the job escaped in an auto.”

Pemberton provides the grim backstory of the robbery that sets the entire mystery of the aviators' flight in motion.

“I don’t know what to think.”

Pemberton voices the final, lingering uncertainty that defines the conclusion of the investigation.

What It's Really About

The book explores the tension between human ingenuity and the indifferent, often hostile, unknown. It poses a fundamental question: at what point does a scientific breakthrough—like the wireless telephone—cease to be a tool for enlightenment and become a vessel for deception? The story highlights the vulnerability of the modern mind when faced with phenomena it cannot verify. It asks whether we can trust what we hear when the source is isolated by distance and danger. Ultimately, the book examines the nature of truth in a technological age, where the line between a miraculous discovery and a clever, high-stakes con artist’s performance becomes impossible to draw.

Why Read It Today

Readers who enjoy the brisk, punchy style of early 20th-century pulp fiction will find this a satisfying experience. It is a quick read that functions as both a locked-room mystery—taking place in the "room" of the clouds—and a proto-science fiction thriller. The fascination with early flight, wireless technology, and the "unknown" makes it a fascinating time capsule.

However, modern readers should be prepared for the period-typical melodrama and a certain lack of scientific rigor that the author acknowledges from the start. The dialogue is functional rather than lyrical, serving the plot above all else. The central gimmick—a live, high-fidelity broadcast from the stratosphere—is a wonderful example of the era's optimism toward technology. If you are interested in the roots of aviation horror or enjoy stories that leave you questioning the reliability of the narrator until the final page, this will linger in your mind. It is a story that refuses to provide a neat resolution, leaving you to decide for yourself whether you have just witnessed a tragedy or the perfect crime.