How many spin-offs does the Twilight series have?
3
2
2
2
2
2
4
2
3
4
2
3
1
4
2
3
1
4
2
5
3
1
4
2
5
3
1
4
2
5
3
1
4
2
5
3
1
4
2
5
3
1
4
2
5
3
1
4
2
5
3
1
4
2
5
3
1
4
2
5
3
1
4
2
5
3
6
1
4
2
5
3
6
1
4
2
5
3
7
6
1
4
5
3
7
6
1
4
5
3
7
6
1
4
5
3
7
0
6
1
4
5
3
7
8
6
0
1
4
5
3
7
8
6
1
0
5
7
8
6
1
5
7
0
8
6
5
7
8
6
0
7
8
6
0
7
8
6
7
8
6
7
8
6
9
7
8
6
9
10
7
8
6
9
10
7
8
6
9
10
7
8
6
9
10
7
8
6
12
9
10
7
8
12
9
10
7
8
12
9
14
10
11
8
12
9
14
10
11
8
12
9
14
10
11
8
12
13
9
ten
ten