We have updated our Privacy Policy Please take a moment to review it. By continuing to use this site, you agree to the terms of our updated Privacy Policy.

There are seven billion-plus humans crowding the surface of 21st century Earth. It is an age of intelligent computers, mass-market psychedelic drugs, politics conducted by assassination, scientists who burn incense to appease volcanoes … all the hysteria of a dangerously overcrowded world, portrayed in a dazzlingly inventive style.

Winner of the Hugo Award for best novel, 1969
Winner of the BSFA Award for best novel, 1969