How many Percy Jackson novels are there in the main series?
5
7
7
7
7
7
7
6
7
6
7
6
7
6
5
7
4
6
5
7
4
6
5
7
4
6
5
7
4
6
5
7
4
6
5
7
4
6
5
7
4
6
5
7
8
4
6
5
7
8
4
6
5
3
7
8
4
6
5
3
7
8
4
6
5
3
12
8
4
6
5
3
12
8
4
6
5
11
3
12
8
14
4
6
5
11
3
12
8
14
4
6
5
11
3
12
13
8
14
1
4
6
5
11
3
12
13
8
14
1
ten
4
10
5
11
24
3
12
13
8
14
1
4
10
5
20
11
24
3
12
13
8
14
1
4
10
5
20
11
24
3
12
13
9
8
14
1
4
10
20
2
11
24
3
12
13
9
8
14
1
17
10
20
2
11
24
3
12
13
9
8
14
1
17
10
20
2
11
24
3
12
13
25
9
8
14
1
17
10
20
2
11
24
3
12
13
25
58
148
104
108