Ace / Ciencia ficción

Guardian

The Lost Fleet: Beyond the Frontier #3

de Jack Campbell

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....

Bronze Gods

Apparatus Infernum #1

de A. A. Aguirre

Danger stalks the city of steam and shadows.

Janus Mikani and Celeste Ritsuko work all hours in the Criminal Investigation Division, keeping citizens safe. He’s a charming rogue with an uncanny sixth sense;...

Freedom's Landing

Catteni #1

de Anne Mccaffrey

Kristin Bjornsen lived a normal life, right up until the day the spaceships floated into view above Denver. As human slaves were herded into the maw of a massive vessel, Kristin realized her normal life was...

Red Planet Blues

de RobertJ. Sawyer

Robert J. Sawyer, the author of such “revelatory and thought-provoking”* novels as Triggers and The WWW Trilogy, presents a noir mystery expanded from his Hugo and Nebula Award-nominated novella “Identity...

First Casualty

Jump Universe #1

de Mike Moscoe

FOUR SOLDIERS. ONE WAR.

Asteroid miner Mary Rodrigo and freighter owner Mattim Abeeb are green draftees of the Society of Humanity, forced to fight for Earth—a planet they’ve never even seen.

Major...

Doktor Glass

de Thomas Brennan

In an age of Zeppelins and gyroplanes, atomics and horseless carriages, the Transatlantic Span is the industrial marvel of the nineteenth century. A monumental feat of engineering, the steel suspension bridge...

Doctor Who: The Wheel of Ice

de Stephen Baxter

From Stephen Baxter, master of science fiction and national bestselling author of Bronze Summer, comes an all-new Doctor Who adventure…

Resilience. Remembrance. Restoration.

Whatever the cost.

Hurtling...

The Ramal Extraction: Cutter's Wars

de Steve Perry

At the close of the 24th Century, a series of revolutions has caused the galaxy to descend into chaos. With the Galactic Union’s Army stretched thin, mercenary units have arisen for those who have the need—and...

Andromeda's Fall

de William C. Dietz

The roots of the Legion of the Damned lie deep within the mythology of the future. But now, national bestselling author William C. Dietz goes back to the Legion’s early days with the story of one recruit’s...

The Cassandra Project

de Jack McDevitt & Mike Resnick

Two science fiction masters—Jack McDevitt and Mike Resnick—team up to deliver a classic thriller in which one man uncovers the secret history of the US space program…

Early in his career, Jerry Culpepper...

The Clone Sedition

de Steven L. Kent

Earth, A.D. 2519. Less than a year has passed since the clone military of the Enlisted Man’s Empire toppled the government of the Unified Authority. Now the clones rule Earth, but a new enemy has emerged—and...

Furious

Kris Longknife #10

de Mike Shepherd

Having used unorthodox methods to save a world—and every sentient being on it—Lieutenant Commander Kris Longknife is wanted across the galaxy for crimes against humanity. For her own safety, she’s been...

Tarnished Knight

The Lost Stars #1

de Jack Campbell

Jack Campbell’s The Lost Fleet series delivers “military science fiction at its best”* in every action-packed adventure. Now the New York Times bestselling author puts the Alliance fleet’s enemy in the...

Kris Longknife: Welcome Home / Go Away

de Mike Shepherd

An original novella in the “fast-paced, exciting military SF series”* featuring Kris Longknife.

Kris Longknife is back home from her galactic adventures, but her entire Fleet of Discovery has been annihilated....

Slow Apocalypse

de John Varley

Despite wars with Iraq and Afghanistan, as well as 9/11, the United States’ dependence on foreign oil has kept the nation tied to the Middle East. A scientist has developed a cure for America’s addiction—a...

Endgame

Sirantha Jax Series #6

de Ann Aguirre

Regret nothing.

Sirantha Jax has the J-gene, which permits her to “jump” faster-than-light ships through grimspace. She loves nothing more than that rush, but the star roads have to wait…

Her final mission...

An Officer's Duty

Theirs Not To Reason Why #2

de Jean Johnson

Jean Johnson—the national bestselling author of the Sons of Destiny novels—returns to the world she introduced in A Soldier’s Duty with a terrible vision of the future...

Promoted in the field for courage...

The Apocalypse Codex

Laundry Files #4

de Charles Stross

Bob Howard may be humanity’s last hope.

Start praying…

For outstanding heroism in the field (despite himself), computational demonologist Bob Howard is on the fast-track for promotion to management within...

Heaven's War

Heaven's Shadow #2

de David S. Goyer & Michael Cassutt

When it first appeared, the astronomers named the asteroid Keanu.

A Near Earth Object, from a distant constellation, it was headed directly toward our sun.

But when we went to meet it, it turned out to be far...

Doctor Who: Shada: The Lost Adventure by Douglas Adams

de Gareth Roberts

From the unique mind of Douglas Adams, legendary author of The Hitchhiker's Guide to the Galaxy, comes  Shada, a Doctor Who story scripted for the television series Doctor Who, but never produced--and now,...