This explosive sequel continues the thrilling space opera saga that started with Artifact Space, following Marca Nbaro and her crewmates aboard the Greatship Athensperfect for fans of Adrian Tchaikovsky and James S.A. Corey.

Marca Nbaro always dreamed of serving aboard the Greatships, colossal vessels with sprawling crews and cargo holds vast enough to fuel entire cities. These ships keep human space alive, transporting priceless goods from City to far-off Tradepoint to trade for xenoglas with an unknowable alien species.

But something sinister is lurking in the dark, and now the Greatships have become the prey.

Racing against time, Marca and her crew must track down an elusive enemy as their allies lose patience and danger closes in. When one of the mysterious aliens they've been trying to understand defects to humanity, it sparks a mission more perilous than anything they've faced before. Marca must risk it all to retrieve the alien and uncover the secrets that could forever alter the fabric of the universe.

Packed with gripping space battles and pulse-pounding alien encounters, Deep Black hurtles through a galaxy teetering on the brink of chaos, where every decision could mean survival or annihilation.