Perihelion Summer

Greg Egan''s Perihelion Summer is a story of people struggling to adapt to a suddenly alien environment, and the friendships and alliances they forge as they try to find their way in a world where the old maps have lost their meaning.

Taraxippus is coming: a black hole one tenth the mass of the sun is about to enter the solar system.

Matt and his friends are taking no chances. They board a mobile aq...