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
The Harry Potter Lexicon The Harry Potter Lexicon The Harry Potter Lexicon is a fan-created online encyclopedia of the "Harry Potter" series. The site was created by school librarian Steve Vander Ark. It contains detailed information for all seven published "Harry Potter" books. The Lexicon lists characters, places, creatures, spells, potions and magical devices, as well as analyzing magical theory and other details of the series. The Lexicon is credited as creating one of the first timelines of all events occurring in the "Harry Potter" universe. A similar timeline of events was adopted by Warner Bros. for inclusion with their "Harry Potter" film DVDs,