B. V. Larson

In the 20th century Earth sent probes, transmissions, and welcoming messages to the stars. Unfortunately, someone noticed....

When Earth's colonies go silent, Legion Varus drops onto Kepler-62 expecting a routine investigation. Instead, they find something far worse than death.

The Silicoids are a growing threat from beyond the frontier. Launching waves of crystalline drones, they ravage colonies all along the border of the Empire. Earth has been forced to ally with her enemies against this mysterious alien menace....

The machine races demand a turn at the job, but the organics refuse to allow it. For more than a century, the Galactics have battled for supreme power. War and instability reign in place of peace, with every species spread over a hundred billion stars suffering as the Empire decays.

In the fourth book of the series, James McGill is up for promotion. Not everyone is happy about that, and McGill must prove he's worth his stripes....

Left to die on a volcanic world by the Skrull, McGill and his mercenaries face waves of missile attacks with nowhere to hide. When the Skrull seal themselves inside an impenetrable energy dome, McGill knows he has to get creative.

Earth is locked in a dangerous arms race with Rigel. McGill’s efforts at diplomacy are disastrous. Events spin out of control and interstellar warfare consumes the outer provinces of the Empire....

When a towering alien monolith crashes onto James McGill's family farm, it triggers events that could spark a galaxy-wide war.

When Lieutenant Alex "Flex" Callahan encounters mysterious alien probes near Luna Station, no one believes his warnings—until it's too late. Human activity has awakened an alien presence deep in our Solar System.

They hunt us. They bomb our worlds for target practice. A star cluster in the constellation of Orion rotates once every 1,000 years. Those who rule there have an ancient tradition....

The Galactics arrived with their Battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined a vast Empire that spanned the Milky Way....

A new threat arrives from the rim of the galaxy. From the colorless depths of space, unknown invaders strike worlds across the Frontier Zone....

In an unprecedented first, Earth sends a message to Mogwa Prime. Unfortunately, the messenger is not met with enthusiasm. Misunderstandings soon threaten all of Humanity. Forced to prove Earth can serve the Empire better than any rival, McGill does his best....

The Galactics arrived with their Battle fleet in 2052. Rather than being exterminated under a barrage of hell-burners, Earth joined a vast Empire that spans the Milky Way....

The Hundred Worlds have withstood invasion by the relentless Hok for decades. The human worlds are strong, but the Hok have the resources of a thousand planets behind them....

James McGill is called upon for a sabotage mission, one that only a man of his unique talents can handle. Unfortunately, he performs too well, and our enemies from Rigel are enraged. They come for us, and war is declared....

Unknown aliens attack Earth. Their planet is uncharted, mysteriously having avoided detection for centuries....

Kyle Riggs is in for a rough ride. In Annihilation, the seventh book of the Star Force Series, nothing goes as planned....

Long before Earth began conquering her neighboring stars, Legion Varus was deployed on Tau Ceti. Valuable and highly illegal treasures were stolen during the campaign, but McGill never gave it a second thought....

Rebels build a secret base on Green World. Their plan is to attack Earth and retake all the planets the humans have conquered....