How many books are in the Twilight series?
5
5
5
5
5
5
5
3
5
3
5
3
5
3
4
5
3
4
7
5
3
4
7
6
5
3
4
7
6
5
3
4
7
6
5
3
4
7
6
5
3
4
7
6
5
2
3
4
7
6
5
2
3
8
4
7
6
5
2
3
8
4
7
6
5
2
3
8
4
7
6
5
13
2
3
8
4
7
6
9
1
13
2
3
8
4
7
6
9
1
13
2
3
8
4
7
6
9
1
13
2
3
8
4
7
6
9
1
13
12
2
3
8
4
7
6
9
1
13
12
2
3
8
4
7
6
9
1
13
12
2
8
4
7
6
9
1
13
11
12
2
8
4
7
6
9
1
10
13
11
12
2
8
4
7
6
9
1
10
13
11
12
2
8
7
6
9
1
10
13
11
12
2
8
6
9
1
10
13
11
12
2
8
9
1
10
13
11
12
2
8
9
1
10
13
11
12
2
8
9
10