Ordem de leitura
1
It Happened in Montana
1992
2
It Happened in Colorado
1993
3
It Happened in Oregon
1994
4
It Happened in Washington
1995
5
It Happened in Northern California
1999
6
It Happened in Georgia
2000
7
It Happened In Yellowstone
2001
8
It Happened in the Civil War
2002
9
It Happened on the Lewis and Clark Expedition
2003
10
It Happened in South Carolina
2003