“More than any individual author, Richard Powers showed the public that science fiction could be written by intelligent adults, for intelligent adults. His superior aesthetics...still overshadow most rivals....I am delighted his talent is again on splendid display!”—Michael Moorcock. “I am happy to see this collection of outstanding work.”—Sir Arthur C. Clarke. “Enlightening....Valuable.... Capable of evoking that fabled sense of wonder.”—