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Posleen War Books in Order

Part ofJohn Ringo Books in Order

Find John Ringo’s Posleen War books in order, with summaries, reading paths through the mainline and spin-offs, and background on this galaxy-wide alien invasion saga.

Last updated: December 25, 2025

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Publication Order

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12 books

1

The Tuloriad

by Tom Kratman

2009

After their crushing defeat on Earth, a remnant of the Posleen flees into deep space under the guidance of unlikely alien allies. Their pilgrimage to rediscover their origins becomes a test of whether a species bred for slaughter can find faith, meaning, or even redemption.

2

Honor of the Clan

by John Ringo

2009

Cally O’Neal and her fellow Bane Sidhe intensify their covert war against the Darhel just as her father, General Michael O’Neal, is ordered to preserve the fragile postwar order. Father and daughter find themselves on a collision course where duty, loyalty, and family violently intersect.

3

Eye of the Storm

by John Ringo

2009

Framed for war crimes and stripped of command, Michael O’Neal faces a sham trial and a death sentence—until an even worse alien threat appears. Forced back into service, he has to decide whether to save the same Darhel-led Federation that betrayed him or let the galaxy burn.

4

Yellow Eyes

by Tom Kratman

2007

The Posleen turn their attention to Panama, threatening the canal that keeps North America fed. With only a handful of armored suits, rejuvenated veterans, and three aging warships, defenders must use wits, terrain, and sheer stubbornness to hold the jungle line.

5

Sister Time

by John Ringo

2007

Cally O’Neal, legendary assassin of the Bane Sidhe, is forced to reconnect with the sister who believes she has been dead for decades. Family ties, old grudges, and new missions collide as Cally juggles covert war against the Darhel with the messy work of being a sibling again.

6

Watch on the Rhine

by Tom Kratman

2005

Facing a Posleen assault on Europe, Germany makes a forbidden choice: rejuvenate aging veterans from the Waffen-SS to fight again. As the aliens close in, soldiers and civilians alike confront whether desperate survival can justify unleashing ghosts of the past.

7

The Hero

by John Ringo

2004

Centuries after the Posleen War, a human commando and an alien outcast are thrown together on a covert mission deep in enemy space. Their uneasy partnership forces both to question everything they have been taught about loyalty, honor, and who the real monsters are.

8

Cally's War

by John Ringo

2004

Officially dead for decades, Cally O’Neal has lived as an elite assassin moving through layers of forged identities and covert wars. When a job and her own conscience collide, she has to decide whether there is any way to claw back a soul in a life built on killing.

9

Hell's Faire

by John Ringo

2003

Earth’s war with the Posleen grinds into its bloodiest phase as new weapons and fresh tactics finally give humanity a chance to hit back. Michael O’Neal and his comrades stand at the heart of the last great battles, knowing that victory and extinction are both still possible.

10

When the Devil Dances

by John Ringo

2002

After years of brutal fighting, human forces launch a desperate counteroffensive to push the Posleen back from the brink of victory. Michael O’Neal and his armored troops are thrown into one meat grinder after another as both sides gamble everything on one last series of blows.

11

Gust Front

by John Ringo

2001

The Posleen invasion of Earth is no longer a future threat, it is landing now. Captain Michael O’Neal and scattered defenders race to turn half-trained troops, desperate engineering projects, and aging veterans into a shield strong enough to keep humanity alive.

12

A Hymn Before Battle

by John Ringo

2000

Humanity joins a seemingly peaceful Galactic Federation only to learn it has been drafted to fight the ravenous Posleen. As Earth rushes to arm up and deploy troops to alien worlds, soldiers and spooks alike realize their new allies may be as dangerous as the enemy.

Series background & context

The Posleen War series, also known as Legacy of the Aldenata, is John Ringo’s breakout military science fiction universe. It starts when a seemingly benevolent Galactic Federation warns Earth that a race of rapacious centaur-like aliens, the Posleen, is on the march and offers advanced technology in exchange for human soldiers.

At first it looks like a straightforward bargain, but the fine print is ugly. Humanity is drafted to fight on distant worlds even as the clock ticks down toward an invasion of Earth itself, and the Federation’s ruling species, the Darhel, have plans that may be as dangerous as the Posleen. Ringo uses that setup to explore everything from front-line infantry action to black-ops conspiracies and generational fallout.

The core novels—beginning with A Hymn Before Battle, Gust Front, When the Devil Dances, and Hell’s Faire—follow characters like Michael O’Neal as they try to hold the line against overwhelming alien numbers. Later books branch out. Some focus on Cally O’Neal and the clandestine Bane Sidhe, others on rejuvenated veterans in Europe, naval campaigns in Panama, or even the shattered Posleen trying to find a future of their own.

Expect detailed battles full of powered armor, artillery, and hard choices, but also political maneuvering, questions about collaboration and resistance, and the human cost of endless war. If you like your military SF big, bloody, and full of recurring characters whose lives you can track over decades, the Posleen War sequence delivers exactly that.

Edited by

Richard Reis

Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.

Anurag Ramdasan

Lead investor at 3one4 Capital whose startup expertise and love for books helped shaped MRB and its growth.

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All 12 Posleen War Books in Order (Complete List 2026)