How many books have been written for the Twilight series?
5
5
5
3
5
3
5
3
5
4
3
5
4
3
5
4
3
5
2
4
3
5
2
4
3
5
7
2
4
3
6
5
7
2
4
3
6
5
7
2
4
3
6
1
5
7
2
4
3
6
1
5
7
2
4
3
6
1
5
7
2
8
4
3
6
1
5
7
2
8
4
3
6
1
5
7
2
8
4
3
9
6
1
5
7
2
8
4
3
9
6
1
5
7
2
8
4
3
9
6
1
5
13
7
2
8
4
3
9
6
1
13
7
2
8
4
3
9
6
1
11
13
7
2
8
4
9
6
1
11
13
12
7
2
8
4
9
6
1
11
10
13
12
7
2
8
4
9
6
1
11
10
13
12
7
2
8
9
6
1
11
10
13
12
7
2
8
9
6
1
11
10
13
12
7
2
8
9
6
1
11
10
13
12
7
8
9
6
1
11
10
13
12
7
8
112
128
4 books
128
313
5 books