Note: There are other authors with the same name: David Day (Artist)
- Author: David Day Author Record # 21420
- Birthplace: Sooke, British Columbia, Canada
- Birthdate: 14 October 1947
- Language: English
- Webpages: daviddaybooks.com, Library of Congress, Wikipedia-EN
- Author Tags: Tolkien (3), about fantasy (1), criticism (1), fantasy (1)
Other views: | Summary Awards Chronological |
Nonfiction
- A - Z of Tolkien (1993)
- A Dictionary of Sources of Tolkien (2019)
- A Guide to Tolkien (2001)
- A Tolkien Bestiary (1979)
- Alice's Adventures in Wonderland Decoded (2015) with Lewis Carroll
- An Atlas of Tolkien (2015)
- An Encyclopedia of Tolkien: The History and Mythology That Inspired Tolkien's World (2019)
- Castles (1984) with David Larkin and Alan Lee
- Characters from Tolkien (2001)
- Een Tolkien bestiarium [Dutch] (1979)
- El mundo de Tolkien: Fuentes mitológicas de El señor de los anillos [Spanish] (2004)
- Guide to Tolkien's World (2002)
- J. R. R. Tolkiens fantastische Welt [German] (1980)
- The Battles of Tolkien (2016)
- The Burroughs Bestiary (1978)
- The Dark Powers of Tolkien (2018)
- The Heroes of Tolkien (2017)
- The Hobbit Companion (1997)
- The Hobbits of Tolkien (2019)
- The Illustrated World of Tolkien (2019)
- The Illustrated World of Tolkien: The Second Age (2023)
- The Ring Legends of Tolkien (2020)
- The Tolkien Companion (1993)
- The World of Tolkien (2020)
- The World of Tolkien: Mythological Sources of "The Lord of the Rings" (2003)
- Tolkien's Ring (1994)
- Tolkien: A Dictionary (2013)
- Tolkien: An Illustrated Atlas (2015)
- Tolkien: De geïllustreerde encyclopedie [Dutch] (2002)
- Tolkien: The Illustrated Encyclopedia (1991)