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John G. Hemry // Jack Campbell

John G. Hemry writes modern space opera, science fiction, military science fiction and fantasy under the pen name Jack Campbell.

John is a retired U.S. Navy officer and 1978 graduate of the U.S. Naval Academy. His experience in the U.S Navy informs his best-selling science fiction novels and stories. He has written more than 19 novels including The Lost Fleet: Steadfast, just published in May 2014.

Upcoming Appearances (Goes to Jack-Campbell.com)

The Lost Fleet: Steadfast coverJust Published May 2014
The Lost Fleet: Steadfast

Just published in May, 2014, The Lost Fleet: Steadfast is the latest adventure from Jack Campbell's Lost Fleet series. The New York Times best-selling author continues the story of Admiral John "Black Jack" Geary and the crew of the Dauntless now that they have managed to safely escort important alien representatives to Earth.

But before they can get home, two of Geary's key lieutenants vanish. The search for his missing men leads Geary on a far-flung chase, ultimately 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... and a danger much greater than anyone expected: a mysterious threat that could finally force the Alliance to its knees. Read an Exclusive Preview of The Lost Fleet: Steadfast.

Published October 2013
The Lost Stars: Perilous Shield

Just published in October, 2013, The Lost Stars: Perilous Shield is a thrilling spin-off from Jack Campbell's Lost Fleet series. Now the New York Times bestselling author returns with the next chapter in the overthrow of the Syndicate Worlds' oppression. Read more about The Perilous Shield.

John's Lost Fleet series follows "Black Jack" Geary, a reluctant hero who fought a desperate last stand against overwhelming odds. In The Lost Stars series, former leaders of the Syndicate Worlds defeated by Black Jack try to rebuild something better from the ruins of that interstellar empire.

In the Stark's War series, micro-management and politics have grown to rule the US military with disastrous results during a war on the Moon, while in the Sinclair/ JAG in Space series, a young Naval space warfare officer has to learn leadership as he confronts attacks, terrorist acts, spies and other threats that lead to court-martials in the best tradition of legal thrillers.

Jack has also written numerous short stories about time travel, alternate universes, space and the future.


The Lost Fleet: Guardian coverPublished May 2013
The Lost Fleet: Guardian

Admiral Geary's 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.

Now Geary's mission is to ensure the safety of the Midway Star System, which has revolted against the Syndicate Worlds empire — an empire that is on the brink of collapse. Read more.


Novels By
John G. Hemry

  • The Lost Fleet: Steadfast
  • The Lost Stars: Perilous Shield
  • The Lost Fleet: Beyond the Frontier - Guardian
  • The Lost Stars: Tarnished Knight
  • The Lost Fleet: Beyond the Frontier - Invincible
  • The Lost Fleet: Beyond the Frontier- Dreadnaught
  • The Lost Fleet: Victorious
  • The Lost Fleet: Relentless
  • The Lost Fleet: Valiant
  • The Lost Fleet: Courageous
  • The Lost Fleet: Fearless
  • The Lost Fleet: Dauntless
  • Against All Enemies
  • Rule of Evidence
  • Burden of Proof
  • A Just Determination
  • Stark's Crusade
  • Stark's Command
  • Stark's War

John Hemry / Jack Campbell Books

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