Harry Potter and the Chamber of Secrets seven books had been published, Graeme Davis regarded "Harry Potter and the Chamber of Secrets" as the weakest of the series, and agreed that the plot structure is much the same as in "Harry Potter and the Philosopher's Stone". He described Fawkes's appearance to arm Harry and then to heal him as a "deus ex machina": he said that the book does not explain how Fawkes knew where to find Harry; and Fawkes's timing had to be very precise, as arriving earlier would probably have prevented the battle with the basilisk, while arriving later would have been fatal to Harry
Harry Potter (film series) was released in November 2010, and "Part 2" was released in July 2011. Five of the series' eight films are among the 50 highest-grossing films of all time, with "Harry Potter and the Deathly Hallows – Part 2" the highest-grossing film in the series and one of 36 films to gross over $1 billion, ranking at number ten. Without inflation adjustment, it is the third highest-grossing film series with $7.7 billion in worldwide receipts. Late in 1997, film producer David Heyman's London offices received a copy of the first book in what would become Rowling's series of seven "Harry Potter"