Britain's most illustrious SF writer, Brian Aldiss, provides a witty and perceptive history of this extraordinary phenomenon, set in its social and literary context. Crammed with fascinating insights, this generous spree takes us through decades of treats for the imagination: escape to other dimensions, flights to other planets, lost worlds, utopias, mechanical creatures and intelligent aliens. Amusing, intelligent and authoritative, it takes us on a tour through that zone where literature and science engage in an eternal flirtation. Examining the great writers SF has produced, and the images that have become the cultural wallpaper of the present day, this comprehensive expedition is for buffs and tenderfoots alike.