7--Chamber of Secrets
10-Prisoner of Azkaban
4--Goblet of Fire
0--Order of the Phoenix
The above numbers refer to:
a. How many different copies of the books Betty has.
b. How many different languages Betty has the books in.
c. How many times Betty saw the movie in the theatre.
d. How many times Betty has seen the movie.
e. How many costumes she has of different people in the book.