Question: What English author is known for a long series of novels that first started in 1971 and ended in 2015, where a portion of the novels focus on witches?
Sentence (from "Terry Pratchett"): His 2011 Discworld novel "Snuff" was at the time of its release the third-fastest-selling hardback adult-readership novel since records began in the UK, selling 55,000 copies in the first three days.
Relevant evidence: No