Works in the genre encyclopedia of fictional world 15
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A Guide to Middle-earth
The Complete Guide to Middle-earth
Barlowe's Guide to Extraterrestrials
The Dune Encyclopedia
A Guide to the Star Wars Universe
The Discworld Companion
The Star Trek Encyclopedia
Star Wars Encyclopedia
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The Harry Potter Lexicon
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Giants, Monsters & Dragons, An Encyclopedia of Folklore, Legend and Myth
The Black Dagger Brotherhood: An Insider's Guide
The Hobbit Encyclopedia
The World of Ice & Fire
L'Encyclopédie de la Terre du Milieu : Númenor et le Deuxième Âge
Star Trek Concordance
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