Listmania!
My Tales of Arthur
King Arthur and His Knights of the Round Table: "Coming of Arthur"; The "Knights of the Round Table"; The "Quest of the Holy" (Puffin Classics)King Arthur and His Knights of the Round Table: "Coming of Arthur"; The "Knights of the Round Table"; The "Quest of the Holy" (Puffin Classics) by Roger Lancelyn Green
Buy used from: £0.01
Good basic retelling of the main material
The History of the Kings of Britain (Classics)The History of the Kings of Britain (Classics) by Geoffrey of Monmouth
Buy new: £7.22 / Used from: £4.98
"History" at this time just meant story, unmissable fiction though
Le Morte Darthur: The Winchester Manuscript (Oxford World's Classics)Le Morte Darthur: The Winchester Manuscript (Oxford World's Classics) by Thomas Malory
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The definitive 16th c tale in translation (original text very difficult)
The Crystal Cave (Merlin Trilogy 1)The Crystal Cave (Merlin Trilogy 1) by Lady Mary Stewart
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And sequels... key feature as near realistic as Monmouth allows
The Mabinogion (Oxford World's Classics)The Mabinogion (Oxford World's Classics)
Buy new: £9.08 / Used from: £5.77
Key feature: the welsh angle, one of the oldest texts
The Quest for Arthur's BritainThe Quest for Arthur's Britain
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Archaeology of dark ages, good but old (60s-70s)
Arthur's Britain: History and Archaeology A.D. 367-634 (Penguin Classic History)Arthur's Britain: History and Archaeology A.D. 367-634 (Penguin Classic History) by Leslie Alcock
Buy used from: £1.90
Archaeology of dark ages, good but still old (80s)
The Mists of Avalon (Mists of Avalon 1)The Mists of Avalon (Mists of Avalon 1) by Marion Zimmer Bradley
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Key feature: from Morgian's viewpoint
The Once and Future KingThe Once and Future King by T. H. White
Buy new: £6.67 / Used from: £2.25
Whimsical, funny but also dark - a classic
Taliesin (Pendragon Cycle)Taliesin (Pendragon Cycle) by Stephen Lawhead
Buy new: £5.49 / Used from: £0.01
And sequels... key feature: ties celtic to Atlantis to christianity
The Skystone (Camulod Chronicles)The Skystone (Camulod Chronicles) by Jack Whyte
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Roman-oriented approach with a touch of fantasy
The Lantern Bearers (Eagle of the Ninth)The Lantern Bearers (Eagle of the Ninth) by Rosemary Sutcliff
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More realistic Roman-oriented take on the theme