J.K. Rowling is best known as the author of the seven Harry Potter books, which were published between 1997 and 2007. The enduringly popular adventures of Harry, Ron, and Hermione have gone on to sell over 500 million copies, be translated into over eighty languages, and made into eight blockbuster films. Leon Heketu Blake (Tuhoe, Tuhourangi, Ngati Wahiao, Ngati Porou, Ngati Whawhakia, Taranaki, Ngati Kahungunu) is a long-standing teacher of te reo Maori to young people, adults, and teachers across New Zealand.