How many books in the Harry Potter series were made into movies?
7
7
7
7
7
7
5
7
5
7
5
7
5
7
5
7
5
7
5
7
2
5
7
2
5
4
7
6
3
2
5
4
7
6
3
2
5
4
7
6
3
2
5
4
7
6
3
2
1
5
4
7
6
3
2
1
5
4
7
6
3
2
1
5
4
7
6
3
2
1
5
4
6
3
2
1
5
4
6
3
2
1
5
4
6
3
2
1
5
4
6
3
2
1
5
4
6
3
2
8
1
4
6
3
2
8
1
4
6
3
2
8
1
4
6
3
2
8
1
4
6
3
2
8
1
4
6
3
2
8
1
4
6
3
2
8
1
4
6
3
8
1
4
11
9
6
3
8
1
11
9
8
1
11
9
10
8
1
11
9
10
8
1
11
9
10
8
11
9
10
8
11
9
10
8
14
11
9
10
8
14
11
9
7 films
10
8
14
11
9
5 films
10
13
8
14
11
9
17
10
13
8
14