How many books are there in the "In death" series?
51
4
5
4
5
3
4
5
3
4
6
5
3
4
6
5
3
4
6
5
3
4
6
5
3
4
6
7
5
3
4
6
7
5
3
4
6
7
5
3
4
6
7
8
5
3
4
6
7
8
5
3
4
6
7
8
5
3
4
6
7
8
5
3
4
6
7
8
5
3
4
6
7
8
5
3
4
6
7
8
5
3
4
6
7
8
2
1
5
3
4
6
10
9
7
8
2
1
5
3
4
6
10
9
7
8
2
1
5
3
6
10
9
7
8
2
1
3
6
10
9
7
8
2
1
6
10
9
7
8
2
1
10
0
13
9
7
8
2
1
10
ten
13
9
7
8
2
0
1
11
10
13
9
7
8
2
ten
1
11
10
13
9
7
8
14
2
1
11
10
13
9
8
14
2
1
12
11
10
13
9
8
14
2
1
12
11
10
13
9
8
14
2
1
12
11
10
13
2
121
121
109