I used to read Isaac Asimov, Brian Aldis, Poul Anderson, Piers Anthony, J G Ballard, Alfred Bester, Robert Bloch, Ben Bova, Ray Bradbury, Edgar Rice Burroughs, Arthur C Clarke, Michael Crichton, L Sprague de Camp, Lester Del Ray, Philip K Dick, Stephen Donaldson, Harlan Ellison, Philip Jose Farmer, Alan Dean Foster, Hugo Gernsback (The father of Sci-Fi), Harry Harrison, Robert Heinlein, Brian Herbert, Fred Hoyle, Aldous Huxley, Dean R Kroonz, Keith Laumer, Ursula Le Guin, Fritz Lieber, Stanislaw Lem, C S Lewis, Anne McCaffrey, Walter M Miller Jr, Michael Moorcock, Andre Norton, Goerge Orwell, Frederick Pohl, Fred Saberhagen, Robert Silverberg, Clifford D Simak, Cort Siodmak, Cordwainer Smith, E E Doc Smith, George O Smith, Norman Spinrad, Brian Stableford, Theodore Sturgeon, Jack Vance, A E van Vogt, Jules Verne, Kurt Vonnegut Jr, H G Wells, John Wyndham, Roger Zelazny, among others.
It all started when my father bought home a penny dreadful paperback of Edgar Rice Burroughs' book "The Chessmen Of Mars.
It ended with over 200 Sci-Fi novels.