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 during the rise in the popularity of the Harry Potter books. The research also found that children who read Harry Potter books were not more likely to go on to read outside the fantasy and mystery genres. NEA chairman Dana Gioia said the series, "got millions of kids to read a long and reasonably complex series of books. The trouble is that one Harry Potter novel every few years is not enough to reverse the decline in reading." Jennifer Conn used Snape's and Quidditch coach Madam Hooch's teaching methods as examples of what to avoid and what to emulate in