House of Cards

Sector 221-G: For the whole of Federation history, this large area of space has been controlled by the Thallonians, a cruel, militaristic race of which little is knownexcept that they rule the other races in their sector with vicious iron hand.Now the Thallonian Empire has collapsed and the systems it once ruled are in chaos. Old hatreds are surfacing. Petty tyrants control deadly weapons. World after world is descending into disorder and self-destruction. The Federation must send a starship to help where it can and report what it finds.That ship is the U.S.S. Excalibur, a newly refit Ambassador-class starship commanded by Captain Mackenzie Calhoun and manned by Starfleet's best and brightest, including some old friends from Star Trek: The Next Generation and some of the most dynamic new characters ever to crew a Federation starship.Join Captain Calhoun and the crew of the U.S.S. Excalibur as they explore strange new worlds, seek out new life and new civilizations, and boldly go where no one has gone before.

Into the Void

As the Thallonian Empire succumbs to violence and insurrection, the U.S.S. Excalibur prepares to launch on her humanitarian mission of mercy. But her departure is destined to be a memorable one, as Calhoun contends with an unexpected stowaway, a stormy relationship with his crew, and -- light-years away -- frightened refugees aboard a dying ship.

The Two Front War

Two mysteries vie for the attention of the crew of the Excalibur: Is the hospitality of the people of Nelkar too good to be true? And does a stranded spaceship truly hold the object of Si Cwan's quest... or is it instead an all-too-deadly trap?

End Game

As the Thallonian homeworld faces catastrophe, Captain Calhoun must confront his own bloody past in a life-or-death struggle for survival and honor. But when the planet's ultimate secret is revealed, only Captain Calhoun and the USS Excalibur can save the last remnants of the Empire from total destruction!.