What does the letter from the offices of the Improper Use of Magic Harry receives say?

According to legend, who built a secret chamber in the school?

Who or what caused the Bludger to attack Harry?

As the novel opens, Harry turns what age on his birthday?

What new method of transportation is Harry introduced to that takes him to Diagon Alley?

What does the odd-looking house-elf, Dobby, have to tell Harry?

Why can't Harry use Hedwig to send a letter?

Who suffers a petrifying spell not long after Harry begins to hear a whispering, menacing voice?

Who announces that he will be the new Defense Against the Dark Arts teacher?

Having missed the train, how do Harry and Ron get to Hogwarts?