SF Encyclopedia Picture Gallery
Clifford D Simak. Time and Again (New York: Simon and Schuster, 1951) [first appeared October-December 1950 Galaxy as "Time Quarry": hb/Paul Kresse]
Image courtesy of Clute Science Fiction Library at Telluride
Clifford D Simak. Time and Again (New York: Simon and Schuster, 1951) [first appeared October-December 1950 Galaxy as "Time Quarry": hb/Paul Kresse]
Image courtesy of Clute Science Fiction Library at Telluride