What is lady of the lake books?

The Lady of the Lake is a character from the Arthurian legend, appearing in various medieval and modern works. One of the most famous representations of her is in Sir Walter Scott's poem, The Lady of the Lake, published in 1810. The poem tells the story of Ellen Douglas, also known as the Lady of the Lake, who helps the Scottish king James V in his fight against the English. The novel gained popularity and was adapted into a number of stage plays and films, along with inspiring other works of literature. Additionally, various authors have written their own interpretations of The Lady of the Lake with varying degrees of similarity to Scott's character or Arthurian legend.