520 CO


1 The shores of the cosmic ocean/One voice in the cosmic fugue
2 The harmony of worlds/Heaven and hell
3 Blues for a red planet/Travelers's tales.
4 The backbone of night/Journeys in space and time
5 The lives of the stars/The edge of forever
6 The persistence of memory/Encyclopaedia Galactica
7 Who speaks for earth?/A dialogue Sagan-Turner