When the U.S.S. "Excalibur" is suddenly destroyed, Starfleet loses one of its finest starships and the crew loses its beloved captain and its home. The Excalibur's survivors must face diverse challenges and dangers on their own.

Star Trek: New Frontier #10: Renaissance: Excalibur Book #2
As the surviving members of the crew of Excalibur are dispersed through the galaxy on new missions, Captain Shelby tries to deter a war as Dr. Selar faces a more personal battle.

Star Trek: New Frontier #9: Requiem: Excalibur #1
When the U.S.S. "Excalibur" is suddenly destroyed, Starfleet loses one of its finest starships and the crew loses its beloved captain and its home. The Excalibur's survivors must face diverse challenges and dangers on their own.

Star Trek: New Frontier: Restoration: Excalibur #3
"He died heroically. All of us should only be so fortunate as to have that opportunity", said MacKenzie Calhoun, five minutes before the Excalibur blew up. Thus ended Dark Allies, the eighth book in Peter David's stunning New Frontier saga. The popular Captain Calhoun has been presumed dead. Until now. In this pulse pounding conclusion to the bestselling Excalibur trilogy, it becomes apparent that Calhoun did manage to escape his ship's cataclysmic demise if only to end up marooned on the primitive outback world of Yakaba. Here, he befriends Shula, a woman with the strange and inexplicable ability to summon rain for her parched and struggling frontier community. Shula's powers, however, have made her the target of jealous foes who will stop at nothing to seize control of her telekinetic gifts or destroy them forever. Stranded on this hostile planet, Calhoun is drawn helplessly into a life or death struggle against a sinister band of enemies. Meanwhile, in his absence, former First Officer Shelby is struggling valiantly with the challenges of her first command on the U.S.S. Exeter. Packed with mystery, action, fascinating Star Trek lore, and high stakes danger, this thrilling culmination to the unforgettable Excalibur trilogy brings the excitement of Star Trek fiction to unprecedented new heights.