For years, Starfleet Intelligence agents have carried out undercover assignments deep within the Klingon Empire. Surgically altered and rigorously trained in Klingon culture, they operate in plain sight and without any direct support, while collecting information and infiltrating the highest levels of imperial power. Their actions have given Starfleet valuable insight into the inner workings of Klingon government and its relentless military apparatus. After three of Starfleet’s longest serving agents fear exposure, they initiate emergency extraction procedures. Their planned rendezvous with the USS Endeavour goes awry, threatening to reveal their activities and the damaging intelligence they’ve collected during their mission.

For Dr. McCoy life takes two paradoxically divergent paths. In one he saves a woman from dying and in doing so alters Earth's history. In the other, he is prevented from saving the woman's life, allowing Earth's history to remain unchanged.

Spock, displaced in time, watches his closest friend heed his advice by allowing the love of his life to die in a traffic accident, thereby preserving Earth's history. Returning to the present, however, Spock confronts other such crises, and chooses instead to willfully alter the past. Challenged by the thorny demands of his logic, he will have to find a way to face his conflicting decisions.

Klingon Captain Krenn is a ruthless war strategist. But on a mission to Earth, Krenn learns a lesson in peace. Only Krenn can prevent a war -- at the risk of his own life!

When Captain Kirk and the crew of the Enterprise journey to Rakata to mediate a dispute between the head of a Federation geological survey team and the leader of a commercial colony, an erupting volcano endangers their lives.

Caught between the Patrian telepathic police force and a deadly group of terrorists, Kirk, Spock and the others must fight for their lives on a world where their thoughts make them criminals - and all crimes are punishable by death.

A science vessel is severely damaged during its mission to the Xondaii system and the Enterprise is dispatched to investigate and render assistance while Kirk, Spock and Sulu collect data on a nearby spatial rift.

A treacherous assassination brings negotiations between the Federation and Klingon Empire to a sudden halt and places Kirk and Dr. McCoy in the hands of the Federation's greatest enemy.

The Arctic Circle, 1845: Escaping the tyranny under which their people have lived for generations, aliens from a distant planet crash land on Earth’s. San Francisco, 2283: When a mysterious craft is detected entering the solar system, Admiral Kirk is confronts the vessel. He meets with an emissary from the Iramahl, a previously unknown alien race who have come in search of their brothers and sisters thought to have gone missing in this area of space centuries earlier.

The Enterprise has been sent to the planet Nador to participate in a watershed event: the Nadorians' first true election, to vote on whether or not to join the United Federation of Planets. But a shadowy group of fanatics wants nothing to do with the Federation, and will stop at nothing - whether it be assassinating the princes or kidnapping Captain Kirk's nephew Peter - to achieve their goals!

A dark plan has been unleashed in the galaxy. Captain Kirk must battle the seductive force of the Totality's will.

Investigating the massacre of a telepathic minority, Captain James T. Kirk and the crew of the U.S.S. Enterprise confront a terrifying new threat: faceless, armored hunters whose extradimensional technology makes them seemingly unstoppable. Kirk must team with the powerful telepath Miranda Jones and the enigmatic Medusans to take on these merciless killers in an epic battle that will reveal the true faces of both enemy and ally!