Gettysburg is a 4-book series with 4 primary works first released in 2003 with contributions by Newt Gingrich, William R. Forstchen, and Albert S. Hanser.
#1 of 4 in Gettysburg
2003 • 5 Readers • 516 pages • 3.5
#2 of 4 in Gettysburg
2004 • 2 Readers • 512 pages • 5
#3 of 4 in Gettysburg
2005 • 2 Readers • 640 pages • 5
#4 of 4 in Gettysburg
2011 • 2 Readers • 384 pages