Deep in space lies the black hole known as Angelmass, so called because it emits enigmatic particles with the unusual ability to render humans calm, reasonable, and incapable of lying—which would normally be seen as a good thing. But not by everyone. Academic Jereko Kosta is pressed into service by the Pax to spy on the Empyrean, joining the crew of a ship actively hunting the particles. But what he learns turns out to be both scientifically fascinating and morally frightening.

When Simon and Katherine Hawke stumble upon an alien shuttle that has landed on Earth, it will not only change the course of their lives but also the entire world. Taking the shuttle into orbit, they discover a much larger ship left adrift with no one on board. Commandeering it, they confirm that we're not alone in the universe and must prepare the human race for what is about to come.

With humanity facing imminent extinction, Centauri Project scientists use technology originally designed for interstellar travel to send a test subject ten millennia into Earth's future. Marooned in an uninhabited wilderness, microbiologist Nicholas Hindman searches for evidence of remnant populations. He has a protocol to follow and is determined to do so to the bitter end—though he knows he's probably searching in vain, stranded on an uninhabited planet silently orbiting the sun.

Decades after a successful invasion of Earth and the Terran Democratic Empire by the Ryqril—hostile, leathery-skinned aliens—resistance fighter Allen Caine is training for an undercover mission. He will assume the identity of an aide to the senate—part of the government that colludes with the invaders.

The first mission to Europa – Jupiter's enigmatic moon – has landed, and humanity’s darkest fears are about to awaken. For years, mankind has speculated that this frozen world harbours a hidden ocean twice the size of all Earth’s oceans combined – an ocean potentially teeming with life. Driven by this tantalising mystery, they venture forth to unlock its secrets. But what they discover in the abyssal depths is far beyond anything they could have imagined.