How many books did Helen Keller get published?
12
3
2
3
2
3
4
2
5
3
4
1
2
5
3
4
1
2
5
3
4
1
2
5
3
4
1
2
5
3
4
1
2
5
3
4
1
2
5
3
4
1
2
5
3
4
1
2
0
5
6
3
4
7
1
2
5
6
3
0
4
7
1
2
5
6
3
4
7
1
0
2
5
6
3
4
7
1
2
0
5
6
3
4
7
1
2
8
5
6
3
0
4
7
1
2
8
5
6
3
4
9
7
1
0
2
8
5
6
3
4
9
7
1
2
0
8
5
6
3
4
11
9
7
1
2
8
10
5
6
0
4
11
9
7
1
12
8
10
5
6
4
11
9
7
1
0
12
8
10
5
6
13
11
9
7
1
12
0
8
10
16
6
13
11
9
7
14
12
8
10
16
6
0
13
11
9
7
14
102
12
8
10
16
6
13
11
9
7
0
14
12
8
10
16
102
17
0
132
66
102