Question: Who is this English novelist known for his children's fantasy novels and his retellings of traditional British folk tales, one of which was published by Collins in 1960?
Sentence (from "Liege &amp; Lief"): Although Denny quit the band even before the album's release, Fairport Convention has continued to the present day to make music almost exclusively within the traditional British folk music idiom, and are still most strongly associated with it.
Relevant evidence: No