By Arthur C. Clarke ,
By Robert A. Heinlein ,
By Richard K. Morgan ,
By Paolo Bacigalupi ,
By China Miéville ,
By Alastair Reynolds ,
By Robert Charles Wilson ,
By Charles Stross ,
By Clive Barker ,
By William Gibson ,
By Michael Crichton ,
By Allegra Goodman ,
By Joan Slonczewski ,
By Gregory Benford ,
By Peter F. Hamilton ,
By Joe Haldeman ,
By Jack McDevitt ,
By John Scalzi ,
or
