The Ender Quartet Box Set by Orson Scott CardOn Basilisk Station by David  WeberThe Foundation Trilogy by Isaac AsimovThe Memory of Earth by Orson Scott Card
Best Science Fiction Series
412 books — 1,088 voters
A Canticle for Leibowitz by Walter M. Miller Jr.
Catholic science fiction
80 books — 69 voters

Let Justice Roll Down by John M. PerkinsThe New Friars by Scott A. Bessenecker
Books for Ordinary Radicals
64 books — 45 voters
Ender’s Game by Orson Scott CardDune by Frank HerbertA Canticle for Leibowitz by Walter M. Miller Jr.The Foundation Trilogy by Isaac AsimovSpeaker for the Dead by Orson Scott Card
Best Science Fiction
3,646 books — 6,910 voters

The Chronicles of Narnia by C.S. LewisThe Lord of the Rings by J.R.R. Tolkien
Books That Everyone Should Read At Least Once
31,413 books — 119,704 voters
J.R.R. Tolkien 4-Book Boxed Set by J.R.R. TolkienThe Chronicles of Narnia by C.S. Lewis
The Best Epic Fantasy (fiction)
4,188 books — 25,697 voters