How many books are in the His Dark Materials series by Philip Pullman?
3
3
3
5
3
5
3
4
5
3
4
5
3
4
5
3
4
5
3
4
5
3
4
2
5
3
4
2
5
3
4
2
5
1
6
3
4
2
5
1
6
3
4
2
5
7
1
6
3
4
2
5
7
1
6
3
4
2
5
7
1
6
3
4
2
5
7
1
6
3
4
2
5
7
1
6
3
4
2
5
7
1
6
3
4
2
5
7
1
6
3
4
2
5
7
8
1
6
4
2
5
7
8
1
6
4
2
7
8
1
6
4
2
7
8
1
6
2
7
8
9
1
13
6
2
7
8
9
10
1
13
6
2
11
7
8
9
10
1
12
13
6
2
11
7
8
9
10
1
12
13
6
2
11
7
8
9
10
1
12
13
6
11
7
8
9
10
1
12
13
6
11
7
8
9
10
1
12
13
6
11
7
8
9
10
12
13
11
7
8
9
10
12
13
14
11
8
4 books
3 books
5 books
4 books