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