myebooksbuy
My Books
Cover of A Madman on Board

Free summary

A Madman on Board

Robert Silverberg (b. 1935)

Novels6 min read·1,249 words

HOOK A disgraced engineer, shanghaied into a lethal space-station labor camp, must stop a high-ranking official from launching a devastating attack on Earth.

In Short

This brisk science fiction story follows Dave Conroy, a brilliant engineer turned alcoholic, who is abducted by recruiters and forced into "jetroom" duty on an orbital satellite. Facing a slow, radiation-induced death, Conroy uses his intimate knowledge of the station’s design to escape. In his quest for survival, he accidentally stumbles upon a conspiracy involving the very man who holds the keys to the station’s weaponry. It is a classic tale of redemption, technological ingenuity, and the triumph of the individual against a corrupt, uncaring bureaucracy.

The Story

Dave Conroy, a man whose life has cratered due to alcoholism and grief, wakes up in chains aboard Earth Satellite V2-ZF. He is one of many "volunteers"—actually kidnapped derelicts—sentenced to serve as human replacements for robotic labor in the station’s radioactive jetroom. Major Hawes, the sadistic officer in charge, promises the new arrivals a slow, painful death within a year. As Conroy descends into the station, his despair shifts into clarity when he recognizes the engineering of the facility. He helped design its ultronic doors, and his expertise allows him to bypass the locking mechanism, leading a desperate, disfigured band of laborers in a violent breakout.

During the escape, Conroy slips away from the rebels and hides in a washroom. He cleans himself up, transforming from a disheveled drunk into a presentable, clean-shaven tourist. He believes he can pass unnoticed while he waits for a way home. However, the station is under quarantine, and he quickly encounters his former fiancée, Janet Merrill. Janet is aboard because her father, a high-ranking Space Commissioner, is supposedly investigating rumors of a saboteur.

While speaking with Janet, Conroy is spotted by a guard, forcing him to fight his way through a crowded lounge. Pursued by security, he decides that his only hope is to seize control of the station's nerve center and demand his freedom. He infiltrates the control room, expecting to confront a nameless saboteur, only to find the room in chaos. Commissioner Merrill has bound the station's commanding officers and is preparing to launch a fusion bomb at Washington, D.C.

Conroy is forced into a brutal physical struggle against the man he once hoped would be his father-in-law. Despite his own depleted physical state, Conroy manages to subdue the deranged Commissioner, preventing the apocalypse. With the crisis averted and the truth revealed, the station's hierarchy undergoes a total shift. Commandant Naylor promises to replace the human jetroom workers with robots, and Conroy is fully exonerated for his past crimes. He reconciles with Janet, who regrets her past abandonment of him, and the two decide to reclaim the time they lost during his three-year spiral.

How It Unfolds

The abduction Conroy finds himself chained alongside other desperate men, destined for the radiation-choked jetroom. Major Hawes offers a chilling welcome, informing the group that they have effectively been sentenced to a year of slow, agonizing death.

The escape Recognizing the station’s internal mechanisms from his days as an engineer, Conroy triggers an emergency hatch. He leads the convicts in an assault against their guards, creating enough chaos to slip away and hide.

The transformation In a washroom, Conroy uses an automated grooming station to scrub away the layers of dirt and misery clinging to him. By the time he steps out, he has shed his appearance as a derelict and now looks like a respectable tourist.

The discovery While blending in, Conroy finds Janet Merrill and discovers the terrifying truth about the station’s security. He realizes that the "saboteur" is not an outsider, but someone at the very top of the government chain.

The final confrontation Conroy forces his way into the control center and finds the Commissioner actively arming a nuclear payload. He disables the man in a desperate, hand-to-hand fight, saving the Earth and securing his own path to a new life.

The People

Dave Conroy is the protagonist, a once-skilled engineer whose life fell apart after a tragic lab accident killed his partner. He wants redemption and escape, yet finds himself forced to act as a hero despite his cynicism. His struggle is defined by his internal battle with alcoholism and his lingering love for Janet.

Janet Merrill is the daughter of a powerful Space Commissioner and Conroy’s former fiancée. She represents the "clean" life Conroy lost, serving as both his motivation and the catalyst for his ultimate confrontation with her father.

Major Hawes serves as the initial antagonist, representing the cold, cruel logic of the space-station bureaucracy. He views the laborers as expendable fuel, showing no remorse for the human lives he effectively destroys for the sake of efficiency.

Commissioner Merrill appears as the final obstacle. A man driven mad by the pressures of his office and "space-sickness," he is the architect of the very sabotage he was sent to investigate. His descent into madness brings the entire station to the brink of nuclear catastrophe.

In Its Own Voice

"You'll be feeding radioactives to the converter. You'll be doing a lot of jobs robots could do twice as well, and after a year or so of it your bodies will start to rot and you'll fall apart and you'll get the deaths you deserve."

Major Hawes explains the cruel, disposable nature of the labor system that fuels the station.

"A door Dave Conroy had helped to design, he and his partner Lloyd Regan, back before the terrible lab accident that had killed Regan and set Conroy to drinking."

Conroy’s realization that his own past work has provided the key to his survival—and his potential downfall.

What It's Really About

At its core, this story is a critique of the dehumanization of labor. By placing the characters in a "living hell" where human bodies are used as biological fuel, the text asks what happens when society deems specific people disposable. Conroy’s journey is one of reclaiming his humanity; he starts as a nameless, "patchy-fleshed" convict and ends as an individual with agency and a future. It also touches upon the dangers of high-stakes, "hush-hush" government projects, where the power to destroy the world is concentrated in the hands of isolated, potentially unstable figures. The story suggests that when systems become too removed from accountability, they eventually collapse under the weight of their own corruption.

Why Read It Today

This story offers a brisk, propulsive experience that captures the high-concept imagination of 1950s science fiction. Readers who enjoy "tech-thriller" elements—where the protagonist uses specific mechanical knowledge to navigate a hostile environment—will find Conroy’s process of hacking the station’s doors and control systems deeply satisfying. It is written with the punchy, direct style typical of the era, moving from scene to scene without any wasted movement.

However, modern readers should be prepared for the specific conventions of the period. The dialogue can be melodramatic, and the character motivations, particularly the rapid reconciliation between Conroy and Janet, move at a pace that feels more suited to a short pulp magazine than a modern novel. The science is functional rather than rigorous, serving the plot rather than grounding it in reality. Despite these limitations, there is a genuine poignancy in Conroy’s struggle to overcome his own self-loathing. The image of a man shedding his dirt, his beard, and his "hobo" persona to face his past remains a powerful trope that resonates well. If you enjoy stories about the "triumph of the underdog" set against a backdrop of space-age paranoia, this is an efficient and engaging read that leaves a distinct, metallic, and memorable impression.

This summary was written by AI (gemini-3.1-flash-lite) on 2026-09-17 and is a guide to the book, not a replacement for it — it can be incomplete or wrong. The book itself is public domain. Copyright & AI disclosure · Report a problem

More novels

Keep reading

Cover of The Blue Castle: a novel

The Blue Castle: a novel

L. M. (Lucy Maud) Montgomery

The courage to break free from a life of quiet desperation can be found in the most unlikely places, even in a small town where everyone knows your business and expects you to stay exactly the same.

Novels7 min read
Cover of The Heather-Moon

The Heather-Moon

C. N. (Charles Norris) Williamson

A young woman finds the key to her own story when a sudden, forbidden discovery pulls her from the shadows of a stifling Scottish household into a world of motor-cars, ancient legends, and unexpected romance.

Novels8 min read
Cover of The Torrents of Spring

The Torrents of Spring

Ivan Sergeevich Turgenev

The sudden, unbidden surge of a past life proves that what we once thought was finished may simply be waiting for the right moment to hollow us out.

Novels7 min read
Cover of A Heart-Song of To-day (Disturbed by Fire from the 'Unruly Member'): A Novel

A Heart-Song of To-day (Disturbed by Fire from the 'Unruly Member'): A Novel

Annie G. (Annie Gregg) Savigny

The high-society stage is set with gleaming ballrooms and whispered scandals, where one's reputation is a currency as fragile as a silken fan and twice as likely to be snapped in two. In this world of gilded drawing rooms and cold-hearted maneuvers, the truth is merely a card to be played when the stakes are highest.

Novels7 min read
Cover of On the Cross: A Romance of the Passion Play at Oberammergau

On the Cross: A Romance of the Passion Play at Oberammergau

Wilhelmine von Hillern

The Passion Play at Oberammergau is more than a theatrical performance; for some, it is a spiritual mirror that reflects the deepest longings of the soul and the crushing weight of earthly expectations.

Novels8 min read
Cover of Dainty's Cruel Rivals

Dainty's Cruel Rivals

Miller, Alex. McVeigh, Mrs.

The heart of an innocent woman is a battleground where greed, jealousy, and dark, ancestral secrets collide. Only the purest devotion can weather the storm of such ruthless, cold-blooded intrigue.

Novels8 min read