Book 6
Harry will be 16 years old.
Book 7
-Harry will be 17 years old. He will be in his last year at Hogwarts and will come of age in the Wizarding World.
-During an online chat at Scholastic, JKR was asked: 'What makes some witches/wizards become ghosts after they die and some not?' She replied: "You don't really find that out until Book VII, but I can say that the happiest people do not become ghosts. As you might guess Moaning Myrtle!"
-JK Rowling has said the last word of the last book will be scar! Now she says that it may change during the writing of Book 7.
-Will Snape be redeemed in book 7? JK Rowling has alluded to the possibility! We shall see...
-Mircea reports: "I wrote a letter to J.K asking here some questions about future books she only answered 1 question which was will Lupin make a return. She said yes! J.K said she's pretty much sure she will put him in the 5th book but she definetly said he's gonna play a big role in the 7th book."
-One of the classmates will become a teacher at Hogwarts - but not Harry, Ron or Hermione!
-A BIG revelation is made about Lily Potter!
-Hermione will be made a Head Girl!
Thanks to The Unofficial Harry Potter Fan Club for the the rumour news!