How many books were in the original pre-1999 Ender series?
4
5
5
6
5
6
4
5
6
4
5
3
6
4
5
3
6
4
5
3
6
4
5
3
6
4
5
3
6
4
5
3
6
4
5
3
6
4
5
3
6
4
5
3
6
2
4
5
3
6
2
8
4
7
5
3
6
2
8
4
7
5
3
1
6
2
8
4
7
5
3
1
6
2
8
4
7
5
3
1
6
2
8
4
7
5
3
1
6
2
8
4
7
5
3
1
0
6
2
8
4
7
3
1
6
2
0
8
4
7
3
1
2
8
4
7
0
3
1
2
8
7
3
1
0
2
8
7
1
2
10
ten
0
8
7
1
2
10
8
9
11
ten
7
0
1
2
10
8
9
11
7
1
ten
0
2
10
8
9
11
7
1
2
10
ten
0
8
9
148
11
7
1
2
10
8
9
109
11
ten
7
0
148
1
2
10
8
9
240
11
7
109
1
ten
0
148
58
2
10
8
9
11
7