Novella Empire Star by Samuel R. Delany Empire Star by Samuel R. Delany, in Ace Double M-139: Empire Star by Sam Delany / The Tree Lord of Imeton by Tom Purdom (Ace Books, 1966). Undetermined Genre Definite Time Travel > More Details . . .
Short Story Time Considered as a Helix of Semi-Precious Stones by Samuel R. Delany “Time Considered as a Helix of Semi-Precious Stones” by Samuel R. Delany, New Worlds, December 1968. 1970 Hugo 1970 Nebula Science Fiction No Time Phenomena > More Details . . .