How many Diary of a Wimpy Kid are there?
fifteen books
4
4
4
4
4
4
3
4
5
3
4
5
3
4
5
3
4
5
3
6
4
5
3
6
4
5
3
6
4
5
3
6
2
4
5
3
6
2
4
5
3
6
2
4
5
3
6
2
4
5
3
6
2
4
5
3
6
2
4
5
3
6
2
4
5
3
6
2
7
5
3
6
2
7
5
3
6
2
7
5
3
6
2
7
5
3
8
6
2
7
5
3
8
6
2
7
12
5
8
6
2
7
12
1
8
6
2
7
12
1
8
6
2
7
12
1
8
9
6
2
7
12
1
8
9
2
10
7
12
1
8
9
2
10
7
12
1
8
9
2
10
7
12
1
8
9
10
7
12
1
8
9
10
7
12
13
1
8
9
10
7
12
13
1
8
9
10
7
12
13
1
8
9
10
7
12
13
1
8
9
10
7
12
13
1
8
9
10
7
12
13
1
8
9
10
12
13
1
8
9