Nine Princes in Amber Roger Zelazny Nine Princes in Amber Roger Zelazny · 1970 First published 20 years earlier Save Continue from here
Downward to the Earth Robert Silverberg Downward to the Earth Robert Silverberg · 1976 First published 14 years earlier Save Continue from here
A Princess of Mars Edgar Rice Burroughs A Princess of Mars Edgar Rice Burroughs · 1973 First published 17 years earlier Save Continue from here
