Jack Campbell Lost Fleet Beyond the Frontier Series 5 Book Set Invincible, Guardian & more

The Lost Fleet Beyond the Frontier Dreadnaught:

Dreadnaught opens not long after the events at the end of the sixth Lost Fleet novel, Victorious. Admiral Geary and Captain Desjani return to their battle cruiser Dauntless. Geary is charged with command of the third fleet, its first mission: to probe deep into the territory of the alien race to find out more...

The Lost Fleet: Beyond the Frontier--Invincible:

Admiral John Black Jack Geary has command of the Alliances First Fleet. The fleets mission is to probe deep into the territory of the mysterious alien race. Invincible continues the gripping story begun in Dreadnaught.

The Lost Fleet: Beyond the Frontier - Guardian:

Admiral Gearys First Fleet of the Alliance has survived the journey deep into unexplored interstellar space, a voyage that led to the discovery of new alien species, including a new enemy and a possible ally.

The Lost Fleet : Beyond the Frontier - Steadfast:

When two of his key lieutenants go missing the search leads Admiral Geary and the crew of Dauntless on a far-flung chase, ending at the one spot in space from which all humans have been banned: the moon Europa. Any ship that lands there must stay or be destroyed leaving Geary to face the most profound moral dilemma of his life.

The Lost Fleet : Beyond the Frontier Leviathan:

Two Syndicate World star systems have fallen prey to a mysterious fleet of warships controlled entirely by artificial intelligence. The warships are no mystery to Geary. He knows they were developed by his government to ensure security, but malfunctioned.