
Henry Hasse
Henry Louis Hasse was an American science fiction author and fan. He is probably known best for being the co-author of Ray Bradbury's first professionally published story, "Pendulum", which appeared in November 1941 in Super Science Stories. Hasse co-authored two more published stories with Bradbury: "Gabriel's Horn" (1943) and "Final Victim" (1946).

Passage to Planet X
A stowaway on a clandestine space mission must help defend a planet of humanoids and robots from a hostile race while searching for an ancient artifact, all while a legendary figure lurks as something other than what the crew expected.
By Henry Hasse

Walls of Acid
On a planet threatened by acid and rising peril, a preserved brain races against time to warn the universe about a genetically engineered enemy.
By Henry Hasse

The Beginning
When a small tribesman’s invention gives his people power, that power turns them against each other, beginning a violent cycle.
By Henry Hasse

Proktols of Neptune
A space crew's curiosity leads them to Neptune's moon where they must escape a gruesome alien race and their sentient, life-hungry Brain.
By Henry Hasse

Dread-Flame of M'Tonak
An outlaw returns to a hostile Earth only to discover a conspiracy that could destroy the planet, forcing him to fight for survival.
By Henry Hasse

One Purple Hope!
In a shadowy Venusian city, a desperate Earthman battles addiction and treacherous companions to reclaim a stolen gem, his last glimmer of hope for escape.
By Henry Hasse

Out of This World
Imprisoned on a distant planet, a group of oppressed miners plot a dangerous rebellion against their cruel oppressor, only to uncover shocking truths that turn their quest for vengeance into an unexpected tragedy.
By Henry Hasse

We're Friends, Now
In a world where machines solve crimes, a man questions his place as he investigates a murder that exposes disturbing truths about technology and himself.
By Henry Hasse

Thief of Mars
On a dangerous asteroid base, a man infiltrates a den of space pirates to clear his brother's name, leading to a deadly showdown on a metal-eating creature infested spaceship with only moments to spare.
By Henry Hasse

Final Glory
As a dying sun threatens to extinguish all life, a determined few gamble on a dangerous cosmic event to ignite a new dawn or face complete annihilation.
By Henry Hasse

City of the Living Flame
Venture into a frozen Martian wasteland where a man hunts for a lost city and battles a mind-bending evil that could doom two worlds.
By Henry Hasse

The Star of Satan
In the lonely reaches of space, a salvage worker finds a mad survivor and must decide if wealth is worth more than his own soul.
By Henry Hasse

Revenge of the Vera
Fueled by grief and a thirst for vengeance, a man turns a humble freighter into a weapon to destroy the space pirate who murdered his love.
By Henry Hasse

Eternal Zemmd Must Die!
In a galaxy threatened by an unknown enemy, a group of heroes must fight to expose a hidden infiltration and stop a looming galactic war.
By Henry Hasse