1) What is the title of the sixth book in the Harry Potter series?
2) Who is Riddle's father?
3) What house does Nymphadora Tonks belong to?
4) What is the name of Dumbledore's pet phoenix?
5) What is the name of the potion Hermione uses to create fake memories in Slughorn?
6) How does Harry sneak into the Room of Requirement?
7) Who is Ginny Weasley's first boyfriend?
8) What is Professor Slughorn's favorite snack?
9) What does Horace Slughorn give Harry for Christmas?
10) Who is the Half-Blood Prince?