Books like Star Trek New Frontier - End Game by Peter David

The USS Excalibur, under the bold Captain Mackenzie Calhoun, embarks on a humanitarian mission amid the collapse of the Thallonian Empire, facing an unexpected stowaway, crew tensions, and refugees aboard a doomed vessel.

On Nimbus III, a “Planet of Galactic Peace,” Klingon, Romulan, and Federation ambassadors attempt a historic cooperation—until terrorists seize the world and threaten a crisis that forces Captain Kirk and the Enterprise crew to confront their deepest fears.

In the midst of political turmoil in the New Thallonian Protectorate, President Robin Lefler flees with her heir, pursued by an alien race and a traitor within the USS Excalibur crew.

Captain Calhoun faces simultaneous threats from the D'myurj, who aim to dominate or destroy humanity, and from Morgan Primus, a sophisticated computer simulation that has taken control of the U.S.S. Excalibur.

After the USS Excalibur is thrown into another universe, Captain Calhoun must ally with rival aliens to return home while the New Thallonian Protectorate faces internal betrayal and war escalates in sector 221G.

Captain Mackenzie Calhoun is stranded on the frontier planet Yakaba after the Excalibur is sabotaged, learning that his first officer Shelby has taken command of the Exeter. Alone, he battles hostile forces while trying to survive and expose the truth about their ship’s loss.

A crewman has been murdered aboard the USS Trident, and all evidence points to Ensign Janos of the USS Excalibur-A. Captain Mackenzie Calhoun is reluctant to accept that Janos, a powerful non-humanoid whom the captain has known and trusted for years, could be a killer, and immediately launches an investigation into the crime. But this troubling murder mystery soon escalates into a full-fledged diplomatic crisis that threatens to pit Calhoun and Captain Elizabeth Shelby against the entire United Federation of Planets -- and the Starship Enterprise™. Meanwhile, the turmoil involving Ensign Janos forces Calhoun to recall his own tempestuous past, his rocky relationship with a young Elizabeth Shelby -- and a long-ago exploit that may have everything to do with the deadly emergency that now confronts them all!

A collection of seasoned Star Trek authors explore new adventures aboard the USS Excalibur, featuring Captain Mackenzie Calhoun and crew in diverse encounters across the galaxy.

Join Captain Jean-Luc Picard and Captain Mackenzie Calhoun as they confront a deadly biological threat threatening the 24th-century galaxy.

Captain Mackenzie Calhoun of the USS Excalibur-A must confront ancient god‑like beings who claim to have inspired Earth pantheons, threatening the galaxy with a deadly bargain. With a wounded crew and the fate of civilization at stake, he faces a conflict that tests faith, power and duty.

The ship is only a memory, but the drama unfolds.... The U.S.S. Excalibur has been obliterated. Its captain, Mackenzie Calhoun is gone. Now the surviving crew members are dispersed throughout the galaxy, seeking to forge new lives in the wake of the Excalibur's destruction. For Dr. Selar, the ship's former medical officer, that means facing a very personal crisis. Following the birth of her child, the Vulcan doctor returned to her homeworld, determined to raise the child exclusively in the way of logic. But the child's father, the Hermat Lieutenant Commander Burgoyne, has hir own views regarding their offspring's future, and s/he intends to fight for hir paternal rights, even if it means appealing to the highest authorities of two worlds! Elsewhere in the Alpha Quadrant, Lieutenant Robin Lefler and her enigmatic mother travel to the pleasure planet Risa where they encounter a genuine Starfleet legend....

After the U.S.S. Excalibur is destroyed, its crew mourns their lost ship and captain Mackenzie Calhoun while embarking on separate missions across the Alpha Quadrant, confronting personal revelations and alien threats.

When the Thallonian Empire collapses, the USS Excalibur is dispatched by Starfleet to quell a galaxy-wide crisis, led by Captain Mackenzie Calhoun and a crew of familiar faces and fresh heroes in the original Star Trek universe.

Mark McHenry’s extraordinary powers on the USS Excalibur are unveiled when a threat to a peaceful solar system forces his true heritage to surface, while fellow crewman Zak Kebron undergoes a dramatic change.