This version specifically uses the most well known version of the text, known as Brut Tysilio, named for its scribe: the 7th century St. Tysilio.
These texts are taken from public domain sources. A free copy of the ebook is available online.
About the Arthurian Classics
These are public domain works presented as a cohesive and branded line of literature, brought to you by MythBank.com. Visit the site to learn more.