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