Physical Description:[viii], 434 p. : illus. ; 18 cm.print
Publisher:Riverdale, NY : Baen, [2012]
General Note: Cover art: Sam Kennedy.
Formatted Contents Note: Foreword -- Introduction -- Choices / Les Johnson -- A country for old men / Ben Bova -- Antimatter starships / Dr. Gregory Matloff -- Lucy / Jack McDevitt -- Lesser beings / Dr. Charles E. Gannon -- Fusion starships / Dr. Gregory Matloff -- Project Icarus / Dr. Richard Obousy -- Design flaw / Louise Marley -- Twenty lights to "The land of snow" / Michael Bishop -- Solar and beamed energy sails / Les Johnson -- The big ship and the wise old owl / Sarah A. Hoyt -- Siren song / Mike Resnick.