B. V. Larson

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. Now, humanity faces extinction as this ancient and forgotten foe launches a...

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....

Four hundred degrees! Toxic atmosphere! Gravity beams that crush men in armor like beer cans! Welcome to Infernus. Legion Varus assaults an alien stronghold that's too close to Mother Earth. The battle turns into a meat grinder that chews through soldiers faster than revival machines can spit...

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.

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....

Lieutenant Alex "Flex" Callahan watched helplessly as the first refugee ships fled Venus. Something was driving them mad, transforming both crew and vessels into horrors. But this was just the beginning.

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....

Captain William Sparhawk flies Earth's single starship on a voyage of exploration. His crew of veteran spacers begins the mission with high hopes and the best of intentions....

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

Two expanding interstellar powers are about to meet in battle. After the collapse of the Cephalopod Kingdom, Humanity claimed the 300 rebellious worlds it left behind. But light years away on the far side of a disputed region, a rival power has begun to move....

Earth arms marines with alien technology and builds its first battle fleet....

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 colonists aren't dead—they're changed. A new kind of enemy has arrived in Province 921, microscopic invaders that transform humans into...

Strange signals from the edge of the solar system draw the carrier ECS Vanguard into the darkness beyond the planets. There, humanity faces a new alien threat—the Blight. They have come to exterminate what they believe is their ancient enemy's latest puppet civilization.

Kyle Riggs has been away from Earth for a long time.…

A dirty deal was struck. Humanity was allowed to keep 300 rebellious worlds. In return, we declared war on a powerful enemy from beyond the frontier....

Many peaceful years have passed since the Macro Wars ended. Most of those who fought against the heartless machines have aged....

Conquest is the next chapter in the great interstellar war between all living creatures and the machines....

For centuries, mankind has searched for nonhuman civilizations in the cosmos. These lost alien societies have finally been discovered—but they were destroyed long ago....

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