How many books in the Harry Potter series were made into movies?
7
3
3
2
3
2
3
1
2
3
1
2
3
1
2
3
1
2
4
3
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
5
1
2
4
3
0
5
1
2
4
3
5
1
2
0
4
3
5
1
2
6
4
7
0
3
5
1
2
6
4
7
5
1
2
6
4
7
5
1
6
4
7
5
1
6
4
7
5
6
4
7
5
6
4
7
5
6
4
7
5
6
7
5
6
8
7
6
8
7
6
8
7
11
6
8
9
7
11
6
8
9
7
11
6
8
9
7
11
6
8
9
7
13
11
6
10
8
9
7
13
11
6
10
8
9
7
13
11
6
10
8
9
7
12
13
11
6
10
8
9
7
12
13
11
10
8
9
12
13
11
10
8
9
12
14
66
62
128
201
62