Compiled & introduced by Brian Aldiss. Contents: The artists' gallery—Great comic strips—Themes in science fiction. Delightful doomsdays (catastrophes) ; Vacuum-busters (spaceships) ; Beyond the beyond (distant planets) ; Here be monsters (alien life) ; Spires and sewers (future cities) ; Interplanetary pets (girls in science fiction) ; Hands without heads (great machines) ; Men of metal (robots) ; Ideas in action (two sf ideas develop) — The magazine gallery.