From Star Trek to Star Wars, from Dune to Foundation, science fiction has a rich history of exploring the idea of vast intergalactic societies, and the challenges facing those living in or trying to manage such societies. The stories in Federations will continue that tradition. What are the social/religious/environmental/technological implications of living in such a vast society? What happens when expansionist tendencies on a galactic scale come into conflict with the indigenous peoples of other planets, of other races? And what of the issue of communicating across such distances, or the problems caused by relativistic travel? These are just some of the questions and issues that the stories in Federations will take on

In the new millennium, what secrets lay beyond the far reaches of the universe? What mysteries belie the truths we once held to be self evident? The world of science fiction has long been a porthole into the realities of tomorrow, blurring the line between life and art. Now, in The Year’s Best Science Fiction: Twenty-Ninth Annual Collection the very best SF authors explore ideas of a new world. This venerable collection brings together short stories from award winning authors and masters of the field such as Robert Reed, Alastair Reynolds, Damien Broderick, Elizabeth Bear, Paul McAuley and John Barnes. And with an extensive recommended reading guide and a summation of the year in science fiction, this annual compilation has become the definitive must-read anthology for all science fiction fans and readers interested in breaking into the genre. In this collection of thirty-five science fiction stories from 2011, Gardner Dozois once again identifies the best stories of the year