“Frighteningly logical, believable, and grimly prophetic . . . [Arthur C.] Clarke is a master.”—Los Angeles Times
“There has been nothing like it for years; partly for the actual invention, but partly because here we meet a modern author who understands that there may be things that have a higher claim on humanity than its own ‘survival.’ ”—C. S. Lewis
“As a science fiction writer, Clarke has all the essentials.”—Jeremy Bernstein, The New Yorker --This text refers to the Paperback edition.