Revelation space universe

Nine hundred thousand years ago, something annihilated the Amarantin civilization just as it was on the verge of discovering space flight. Now one scientist, Dan Sylveste, will stop at nothing to solve the Amarantin riddle before ancient history repeats itself. With no other resources at his disposal, Sylveste forges a dangerous alliance with the cyborg crew of the starship Nostalgia for Infinity. But as he closes in on the secret, a killer closes...

The Inhibitors were designed to eliminate any life-form reaching a certain level of intelligence-and they've targeted humanity. War veteran Clavain and a ragtag group of refugees have fled into hiding. Their leadership is faltering, and their situation is growing more desperate. But their little colony has just received an unexpected visitor: an avenging angel with the power to lead mankind to safety-or draw down its darkest enemy.And as she leads...

The planet Golgotha-supposedly lifeless-resides in a remote star system, far from those inhabited by human colonists. It is home to an enigmatic machine-like structure called the Blood Spire, which has already brutally and systematically claimed the lives of one starship crew that attempted to uncover its secrets. But nothing will deter Richard Swift from exploring this object of alien origin.

Tom Dreyfus is a Prefect, a law enforcement officer with the Panoply. His current case: investigating a murderous attack against one of the habitats that left 900 people dead, a crime that appalls even a hardened cop like Dreyfus. But then his investigation uncovers something far more serious than mass slaughter.