CHAPTER DISCUSSION: PS/SS 7, The Sorting Hat

[Augusta]

No: HPFGUIDX 188061

> CHAPTER DISCUSSION: Harry Potter and the Philosopher's Stone/Sorcerer's Stone
> 
> Chapter Seven: The Sorting Hat
 
Great discussion on this chapter, but I have another question:

If Hermione had memorized "Hogwarts: A History" before she got to school, why didn't she know how the Sorting was done? Surely the definitive reference book on the school would have covered the Sorting Ceremony, wouldn't it?