Back Cover Blurb — Bantam Books (1970)
Captain Kirk and the crew of the starship Enterprise find themselves in the middle of an undeclared war waged by the Klingon Empire...

The Organians should be consulted about the war but their entire planet has disappeared — or been destroyed...

Mr. Spock entered the Transporter Chamber. His image would be flashed to Organia by the huge machine's faster-than-light tachyons. But the experiment failed. Suddenly there were two Mr. Spocks. One of them had to be destroyed...BUT WHICH ONE?

Back Cover Blurb — Corgi Books (1984)
During a routine mission in an uncharter area of space, Captain Kirk and the crew of the starship USS Enterprise received a report that the Klingon Empire had mounted a major attack on the Federation...

Such an attack should have been immediately suppressed by the peace-loving Organians — but the Organians and their planet had completely disappeared — possibly destroyed by the warlike Klingons...

First Officer Spock entered the transporter chamber. He intended to discover the fate of the missing planet. But as the whine of the machine died down, out from the chamber stepped two Mr Spocks...identical...alike in every way and both claiming to be the original. For the sake of the Enterprise one of them had to be destroyed...but which one?

Back Cover Blurb — Bantam Books (1976)
A BOLDLY DIFFERENT STAR TREK EXPERIENCE

A defective mind link turns the logical Mr. Spock into a fiery revolutionary who sets out to convert the planet Kryos with fire, sword and a forbidden philosophy. Captain Kirk and the Enterprise crew must summon all their skill and cunning in a race against time on a hostile planet. Can they destroy the fiendish mind that holds Spock captive before it destroys them?

Back Cover Blurb — Corgi Books (1977)
Beaming down to the unvisited planet Kyros, the crew of the Enterprise experiment with a new telepathic investigation device that links them with the minds of the Kyrosians. But an error makes Spock the telepathic captive of a madman — a paranoid wandering preacher who belives he has been chosen to purge the planet of sin. And when Spock's Vulcan genius is linked to the preacher's spell-binding power, a holy war breaks out for control of Kyros... The only way Captain Kirk can save the planet — and the lives of his crew — is by killing Spock...

Back Cover Blurb — Bantam Books (1977)
CAPTAIN KIRK IS DEAD —
LONG LIVE CAPTAIN KIRK!

Spock, Doctor McCoy and the other crewmen of the Starship Enterprise experience a stunning double shock. The first, painful blow is Captain Kirk's tragic death. Then, Captain Kirk's miraculous rebirth reveals the most awesome force the Enterprise has ever encountered. Spock is forced into a desperate gamble for Kirk's human soul against Omne — the ultrahuman emperor of life beyond life, and death beyond hell.

THE PRICE OF THE PHOENIX

A nerve-shattering voyage into unknown terror with the Starship Enterprise.

Back Cover Blurb — Corgi Books (1977)
CAPTAIN KIRK IS DEAD — LONG LIVE CAPTAIN KIRK Spock, Doctor McCoy and the other crewmen of the Starship Enterprise experience a stunning double-shock. The first, painful blow is Captain Kirk's tragic death. Then, Captain Kirk's miraculous rebirth reveals the most awesome force the Enterprise had ever encountered. Spock is forced into a desperate gamble for Kirk's human soul against Omne — the ultrahuman emperor of life beyond life, and death beyond hell...

Back Cover Blurb — Bantam Books (1977)
AN ALL-NEW STAR TREK EXPERIENCE

NEVER BEFORE...

Had the Enterprise been betrayed by its own technology. Never before had their systems, instruments and weapons failed to respond. And never before had Kirk, Spock, McCoy and the rest of the crew faced a total breakdown of science and sanity...until they stumbled on the mysterious world that couldn't exist...

A world orbited by a black hole and ruled by chaos — where man was a helpless plaything for a race of beings more powerful than the laws of the universe.

PLANET OF JUDGMENT

A brain-bending voyage into the unknown with the Starship ENTERPRISE.

Back Cover Blurb — Bantam Books (Reprint)
CAPTAIN'S LOG, STARDATE 6133.4
On a routine diplomatic mission to Starfleet Academy, out sensors detected the presense of a rogue planet in space, orbited by a sun no larger than a pea — a circumstance impossible to explain by any known scientific law. Assuming the star to be an artificial construct, a landing party was dispatched to the planet's surface, where I am now recording this log: where we are now trapped. Two of my crewmen are dead, victims of the savage planet Spock has named Anomaly, a planet where none of our equipment works and none of our science applies...a planet that cannot exist.

Back Cover Blurb — Bantam Books (1978)
SPOCK: BEAMED DOWN TO A MURDEROUS PLANET IN A DANGEROULSY SHIFTING UNIVERSE...

A universe where a series of freak ion storms has changed the boundaries of space...where Arachne IV, inhabited by a strange race, may be lost forever to the Federation...where Spock is sent on a death-defying assignment into a war of ant-types along with a brilliant, beautiful, bigoted scientist who hates Vulcans!

Captain Kirk, Mr. Spock and the crew of the Starship Enterprise daringly journey on another thrilling mission toward the perils of unknown worlds.

Back Cover Blurb — Bantam Books (1978) / Corgi Books (1985)
Captain Kirk encounters Klingons and nocturnal creatures known as Strangers and the sun god himself in a journey of incredible suspense...

Inside the hollow shell of a strange, remote planet Kirk and the Enterprise crew discover a planet within a planet... energized by a white dwarf star... a planet like a lost Eden populated by a race of small, gentle, furred bipeds...a planet falling toward a black hole to spectacular peril and inescapable doom...

Back Cover Blurb — Bantam Books (1979)
Blast off with Captain Kirk, Dr. McCoy and Mr. Spock as they hurtle through space with the crew of the Starship Enterprise. Plunge through an eerie pocket of spatial unreality as they risk death by radiation to save the endangered people of Epsilon Delta 4. See the marvels of Enowil, the mad gnomic master of an insane planet. Beware of treachery from the Klingons, if you would succeed in your mission.

Back Cover Blurb — Corgi Books (1984)
Blast off with Captain James Kirk, First Officer Spock and Doctor McCoy as they hurtle through space with the crew of the Starship Enterprise. Plunge through an eerie pocket of spatial unreality as they risk death by radiation to save the endangered people of Epsilon Delta 4. See the marvels of Enowil, the mad gnomic master of an insane planet. Beware of treachery from the Klingons, if you would succeed in your mission...

Back Cover Blurb — Bantam Books (1979)
THE MENACE OF CHATALIA
Chatalia...a fantastic artificial world, inhabited by furry winged creatures with awesome powers. Here Kirk, Spock and their Enterprise mates, trapped, face terrifying death. And if by some miracle they escape, they will confront the roving killers of the dread Klingon Empire!

Back Cover Blurb — Bantam Books (Reprint)
CAPTAIN'S LOG, STARDATE 7505.6

This is being recorded by Science Officer Spock, temporarily in command.

The Enterprise is currently in orbit around an alien "Starship" [actually an artificial planetoid approximately 217,352 kilometres in diameter] of unknown origin, aboard which Captain Kirk and a landing party of four are stranded. They are currently detained in a prison cell, awaiting interrogation.

Far more immediate is the condition of the Enterprise. The ship has been snared by "wires" apparently composed of the same alien craft (a substance harder than any known to Federation science) — wires that are draining off our power reserves at an alarming rate. We appear to have the choice of remaining on board the Enterprise (and crashing to the surface of the planetoid once our power is gone), or joining the Captain inside the alien spacecraft. A fascinating dilemma.

Back Cover Blurb — Bantam Books (Reprint)
CAPTAIN'S LOG, SUPPLEMENTAL

In a state of severe shock, Mr Spock has been permitted to beam back aboard the Enterprise — the rest of the landing party and I remain stranded on Heartland. I am convinced that the only person who can help us is Jacob Keil, the man we came here seeking. His years spent alone here have made him somehoe capable of communicating with whatever force rules this planet. The force that has struck down two of my crewmen...the same force that drove all but of the planet's original 100 colonists completely insane.

Back Cover Blurb — Bantam Books (1980)
PLANET OF PERILOUS PEACE

Kirk, Spock, Scotty and the Enterprise crew face battle with the Klingons in a strange world ruled by a "human" who's been dead for 300 years! Soon the entire crew has fallen under the planet's mysterious force — stripped of their power to wage war — as the subhuman Immunes advance...and the Klingon legions hover overhead!

Back Cover Blurb — Bantam Books (1980)
Captain's Log, Stardate 4496.1. We have broken off our search to investigate, the presence of...of a sensory anomaly.

On a routine mission in deep space, Captain Kirk and the crew of the U.S.S. Enterprise discover a lost city, drifting in space, more than 20 years from the nearest human colony.

Its inhabitants are human, but so isolated that they are unable to grasp the existence of other worlds besides their own. Outsiders must be 'demons'. Earth is a place that only exists in legend, in the tales of their ancestors. But time is running out for this forgotten civilisation...their world is being pulled towards the centre of a galactic whirlpool, two orbiting black holes in space.

Can Kirk convince them to trust him, before their world is destroyed forever?