How many books are there in Twilight series?
6
5
5
5
5
5
5
5
5
5
5
5
5
4
5
4
5
4
5
7
4
6
5
7
4
6
5
7
4
6
5
7
4
2
6
5
7
4
2
6
5
7
4
2
6
7
4
2
6
7
4
2
3
6
7
4
2
3
6
7
4
2
3
6
7
4
2
3
6
7
4
2
3
6
7
4
2
3
6
7
4
2
3
6
7
4
2
3
6
8
7
4
2
3
6
8
7
4
2
3
6
8
7
2
3
6
8
7
2
3
6
8
7
2
3
6
8
1
2
3
8
1
2
3
14
8
1
2
3
14
8
1
3
14
12
8
10
1
3
14
12
8
10
1
0
109
3
14
12
8
10
1
3
14
12
0
109
8
10
17
1
14
121
12
8
9
10
17
1
14
12
8
9
121
10
17
1
14
108
12
8
9
10
11
17
1
14
12
8
9
108
10
2 volumes
11
17
1
14
12
8
9
10