Poseidon's Wake

Book info: Poseidon's Wake (Hardcover, 598 pages – Gollancz, 2015) – Gollancz, 2015. Language: Eng.

Condition: Very Good

Mankind has reached the stars. Two hundred years after the fall of Mechanism, human society has achieved a kind of stability. There are colonies beneath the oceans, throughout the solar system, and beyond: on extrasolar planets. Vast hemi-relativistic ships connect these colonies, travelling at half the speed of light. Or rather they would, if the ominous presence of the alien Watchkeepers had not led to an enforced moratiorium on interstellar travel.But when a seemingly impossible radio signal reaches the colony Crucible, everything changes:SEND NDEGEIt came from unpopulated, unexplored space. So who could have sent it? And what use do they have for the disgraced scientist Ndege Akinya...?