Books like Star Trek - Higher Frontier by Christopher L. Bennett

Set before the Captain Kirk era, this science‑fiction adventure follows Commander George Samuel Kirk as the galaxy faces looming war.

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.

When the Thallonian homeworld threatens collapse, Captain Mackenzie Calhoun and the USS Excalibur confront their pasts while battling to protect the last remnants of the Empire from total destruction.

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.

The final frontier erupts into chaos as vast quantities of a rare energy source are discovered beneath the surface of Baldur-3, a remote planet beyond the outer fringes of Federation space. Now an old-fashioned “gold rush” is underway as a flood of would-be prospectors, from countless worlds and species, races toward the planet to stake their claim. The galactic stampede threatens the stability of neighboring planets and space stations, as widespread strife and sabotage and all-around pandemonium result in a desperate need for Starfleet assistance. Captain James T. Kirk and the crew of the Starship Enterprise are dispatched to deal with the escalating crisis…which lies on the other side of a famously perilous region of space known as the Antares Maelstrom.

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.

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....

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.

Captain Kirk must maintain neutrality in Vok’s inaugural free elections while a conspiracy threatens the sector. When Dr. McCoy disappears, Spock and Chapel race across worlds to rescue him before palace intrigues consume three planets.