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- A Brief History of The Hobbit
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- A Casual Stroll to Mordor
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- A Companion to J.R.R. Tolkien
- A Conspiracy Unmasked
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- A Critical Companion to J.R.R. Tolkien
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- A Description of the Island of Númenor
- A Dialogue: Discussion by Humphrey Carpenter, Professor George Sayer and Dr. Clyde S. Kilby
- A Distant Flame Before the Sun
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- A Elbereth Gilthoniel! 1, no. 2
- A Fan's Guide to Neo-Sindarin
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- A Gateway to Sindarin
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- A Guide to Playing The Hobbit
- A Hobbit's Journal
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- A Hobbit, a Wardrobe, and a Great War
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- A Knife In The Dark (soundtrack)
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- A Liar And A Thief
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- A Long-Expected Party: MECCG Sites and Scenarios
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- A Map of Middle-earth
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- A Middle-earth Traveller
- A Middle English Reader and Vocabulary
- A Middle English Vocabulary
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- A New Power Is Rising
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- A Philologist on Esperanto
- A Plea to the Rocks
- A Question of Time
- A Reader's Guide to The Silmarillion
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- A Shadow in the East
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- A Song of Aryador
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- A Spell Of Concealment
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- A Spy In Isengard
- A Storm Is Coming
- A Tale of Tales
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- A Thunder Battle
- A Tolkien Bestiary
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- A Tribute to Tolkien
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- A Very Respectable Hobbit
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- A Walking Song
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