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Persia Woolley
Persia Woolley was an American author, perhaps best known for her Guinevere trilogy. She also wrote a number of works on writing, such as How to Write and Sell Historical Fiction (2000).
Excerpt from Wikipedia, available under CC BY-SA 4.0.
Books

Child of the Northern Spring
2010
ISBN 9781402245244
Guinevere, the legend in Autumn
2011
ISBN 9781402246432