Disclaimer
Some events in the books are based on Harry Potter and the half-blood prince by J.K Rowling. I do not own any characters.
Little Changes
Hermione, Ron and Harry never saw Draco Malfoy in Knockturn Alley with the group of death-eaters - Hermione secretly keeps the time-turner- They do not go back to the burrow on Christmas - Ron stays with Lavender - Draco Malfoy kills Dumbledore.
The other things are for you to find out. *wink *wink
That's kinda it..... ENJOY