Most Popular Non-fiction Books of the 20th century
Discover popular Non-fiction books from the 20th century, with reader ratings and new favorites to explore.
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Books in this list
J. R. R. Tolkien: A Biography
Biography · Non-fiction
1977Tree and Leaf
Fantasy · Short Stories · Non-fiction
1964A Tolkien Bestiary
Middle-earth · Non-fiction
1978J. K. Rowling: A Biography
Biography · Non-fiction
1999Tolkien: The Illustrated Encyclopedia
Middle-earth · Non-fiction
1992Belgarian Universe
The Rivan Codex
Fantasy · Epic Fantasy · High Fantasy · Non-fiction
July 1998The Empire Strikes Back: The Illustrated Screenplay
Non-fiction
1998Discworld Reference
The Discworld Companion Updated
Non-fiction
1997The Rhinoceros Who Quoted Nietzsche and Other Odd Acquaintances
Fantasy · Short Stories · Non-fiction
1997Miscellaneous Writings
Non-fiction
1995The Ultimate Guide to Science Fiction: An A-Z of Science-Fiction Books by Title
Non-fiction
1990Dune Universe
The Dune Encyclopedia
Non-fiction
1984The Milford Series: Popular Writers of Today
Kurt Vonnegut: The Gospel from Outer Space (Or, Yes We Have No Nirvanas)
Non-fiction
January 1, 1977H. P. Lovecraft's Selected Letters #5
Selected Letters V
Non-fiction
1976H. P. Lovecraft's Selected Letters #4
Selected Letters IV
Non-fiction
1976H. P. Lovecraft's Selected Letters #3
Selected Letters III
Non-fiction
1971H. P. Lovecraft's Selected Letters #2
Selected Letters II
Non-fiction
1968H. P. Lovecraft's Selected Letters #1
Selected Letters I
Non-fiction
1965Discworld Mapps
The Discworld Mapp
Non-fiction
1995Discworld Mapps
The Streets of Ankh-Morpork
Non-fiction
1993The Tough Guide to Fantasyland
Non-fiction
1996A Brief History of Time
Natural Sciences · Non-fiction
1988Elric
Elric at the End of Time
Fantasy · Sword and Sorcery · Short Stories · Non-fiction
1984The Wheel of Time
The World of Robert Jordan's The Wheel of Time
Non-fiction
1997Discworld Reference
Nanny Ogg's Cookbook
Non-fiction
1999The History of Middle-earth #10
Morgoth's Ring
Fantasy · Middle-earth · Non-fiction
1993The Dreams Our Stuff Is Made Of: How Science Fiction Conquered the World
Hugo Award · Locus Award · Non-fiction
1998The History of Middle-earth #11
The War of the Jewels
Fantasy · Middle-earth · Non-fiction
1994Dancing at the Edge of the World: Thoughts on Words, Women, Places
Non-fiction
1989Unicorn Variations
Fantasy · Science Fiction · Locus Award · Short Stories · Non-fiction
1983The Entropy Exhibition: Michael Moorcock and the British New Wave in Science Fic
Non-fiction
1983The Atlas of Middle-earth
Non-fiction
1981The Language of the Night: Essays on Fantasy and Science Fiction
Non-fiction
1979The Way the Future Was: A Memoir
Biography · Non-fiction
1978The History of Middle-earth #3
The Lays of Beleriand
Fantasy · Middle-earth · Non-fiction
1985The Science of Discworld #1
The Science of Discworld
Fantasy · Non-fiction
1999