How many books are in the Harry Potter?
7
5
5
5
5
5
3
5
4
3
5
4
3
5
4
3
7
5
4
3
7
5
4
3
7
5
4
6
3
7
5
4
6
3
7
5
4
6
3
7
5
4
6
3
7
5
4
6
3
7
5
2
4
6
3
7
5
2
4
6
3
7
5
2
4
6
3
7
5
2
4
6
3
8
7
5
2
4
6
3
8
7
2
4
6
3
8
7
2
4
6
3
8
7
1
9
2
4
6
3
8
7
1
9
2
4
6
3
8
7
1
9
2
4
6
8
7
1
9
11
10
2
6
8
7
1
9
11
10
2
6
8
7
1
9
11
10
2
6
8
1
12
9
11
10
2
6
8
16
1
12
9
11
10
2
6
13
8
16
1
12
9
11
10
2
13
0
8
16
1
12
9
11
10
2
13
8
16
1
0
12
9
11
10
2
13
8
16
1
12
9
11
0
132
108
114
132
116
192
108
114