Hell's Foundations Quiver: David Weber's New York Times-bestselling Safehold series begun with Off Armageddon Reef, By Schism Rent Asunder, By Heresies Distressed, A Mighty Fortress and Like a Mighty Army.
TURNING OF THE TIDE
Centuries ago, the human race fought its first great war against an alien race-and lost. A tiny population of human beings fled to distant Safehold. Centuries later, their descendants

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"The Coast Guard must prevent the first lunar war in history. A lifelong Search-and-Rescuewoman, Coast Guard Captain Jane Oliver is ready for a peaceful retirement. But when tragedy strikes, Oliver loses her husband and her plans for the future, and finds herself thrust into a role she's not prepared for. Suddenly at the helm of the Coast Guard's elite SAR-1 lunar unit, Oliver is the only woman who can prevent the first lunar war in history, a conflict...

Six-time Hugo Award winner Ben Bova chronicles the saga of humankind's expansion beyond the solar system in The Aftermath.
In the wake of the Asteroid Wars that tore across the solar system, Victor Zacharius makes his living running the ore-carrier Syracuse. When the Syracuse stumbles into the middle of a military attack on the habitat Chrysalis, Victor flees in a control pod to draw the attacker's attention away

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"Thirteen hundred gates have opened to solar systems around the galaxy. But as humanity builds its interstellar empire in the alien ruins, the mysteries and threats grow deeper. In the dead systems where gates lead to stranger things than alien planets, Elvi Okoye begins a desperate search to discover the nature of a genocide that happened before the first human beings existed, and to find weapons to fight a war against forces at the edge of the imaginable....

Legendary war hero Captain “Black Jack” Geary fights to stay ahead of his enemies in the fourth novel in Jack Campbell’s New York Times bestselling military science fiction series.
Deep within Syndicate World space, the Alliance fleet continues its dangerous journey home under the command of Captain John “Black Jack” Geary—revived after a century spent in suspended animation. Geary’s victories...

The biggest science fiction series of the decade comes to an incredible conclusion in the ninth and final novel in James S.A. Corey’s Hugo-award winning space opera that inspired the Prime Original series. 
“An all-time genre classic.” –Publishers Weekly (starred review)
Hugo Award Winner for Best Series
The Laconian Empire has fallen, setting the thirteen hundred solar systems free from the...

"Lu and Fassen are from different worlds and separate solar systems, so when the war of Fassen's world invades Lu's peaceful home, they find themselves at the forefront of a battle they hoped would never happen."

One hundred years before Ender's Game, the aliens arrived on Earth with fire and death. Earth Afire by Orson Scott Card and Aaron Johnston is the story of the First Formic War.
Victor Delgado beat the alien ship to Earth, but just barely. Not soon enough to convince skeptical governments that there was a threat. They didn't believe that until space stations and ships and colonies went up in sudden flame.
And when that happened,

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In this gripping sequel to Star Wars: The Rising Storm, the light of the Jedi faces its darkest hour. Time and again, the vicious raiders known as the Nihil have sought to bring the golden age of the High Republic to a fiery end. Time and again, the High Republic has emerged battered and weary, but victorious thank to its Jedi protectors - and there is no monument to their cause grander than the Starlight Beacon. Hanging like a jewel in the Outer...

The story of The First Formic War continues in Earth Awakens.
Nearly 100 years before the events of Orson Scott Card's bestselling novel Ender's Game, humans were just beginning to step off Earth and out into the Solar System. A thin web of ships in both asteroid belts; a few stations; a corporate settlement on Luna. No one had seen any sign of other space-faring races; everyone expected that First Contact, if it came, would

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