Two and a half millennia ago, the <strong>Excession</strong>, a perfect black sphere, appeared in a remote corner of space. It did nothing, then disappeared. No... » 

Two and a half millennia ago, the Excession, a perfect black sphere, appeared in a remote corner of space. It did nothing, then disappeared. Now it is back, and someone who saw it the first time has information on its staggering potential, but she is living out her death in the Sleeper Service. «