How many Harry Potter books are there?
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
6
6
6
6
8
5
6
8
5
6
8
5
6
8
5
6
8
5
6
8
5
6
8
5
6
8
5
6
8
5
6
8
5
6
8
5
6
8
5
6
8
5
6
8
5
6
67
8
4
5
6
8
67
4
10
5
14
6
8
4
17
10
5
67
14
8
4
17
10
9
5
14
67
8
4
17
11
10
9
5
14
8
67
4
17
2
11
10
7 of them
9
5
14
4
17
2
11
10
9
67
14
69
109
7 of them
4
17
2
11
10
9
14
67
4
17
69
109
2
11
10
7 of them
71
9
14
67
4
17
7 +1
2
11
10
9
7 books
14
69
109
71
3
7 of them
142
66
4
17
ten
2
11
62
10
9
14
7 +1
7 books
3
69
7 (7)
109
71
4
17
7 -
2
11
142
66
10
7 of them
9
25
14
ten
62
3
7 books
4
17
69
109
7 +1
2
11
10
71