"Arthur C. Clarke": 
  - title: Against the Fall of Night
    published: "1978"
  - title: The songs of distant earth
    published: "1986"

"Isaac Asimov": 
  - title: Quasar, Quasar, Burning Bright
    published: "1977"
  - title: Far as Human Eye Could See 
    published: 1987
