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 Mammoth Book of Best New Science Fiction 23 the very best SF authors explore ideas of a new world. 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.Praise for Gardner Dozois:'Dozois's definitive must-read short story anthology takes the pulse of science fiction today' Publishers Weekly'For more than a quarter century, Gardner Dozois's The Mammoth Book of Best New SF has defined the field. It is the most important anthology, not only annually, but overall.' -- Charles N. Brown, publisher of Locus Magazine