Keith Andrew Topping (born 26 October 1963 in Walker, Tyneside) is an author, journalist and broadcaster. He is most well known for his work relating to the BBC Television series Doctor Who and for writing numerous official and unofficial guide books to a wide variety of television and film series, particularly Buffy the Vampire Slayer. He is also the author of two books of rock music critique. To date, Topping has published more than 40 books. Source: Wikipedia (en)