Amtrak Wars is a 6-book series with 6 primary works first released in 1983 with contributions by Patrick Tilley.
1983 • 11 Readers • 311 pages • 3.3
1985 • 5 Readers • 344 pages • 3
1987 • 4 Readers • 405 pages • 2.7
1988 • 3 Readers • 361 pages • 3.5
1989 • 4 Readers • 373 pages • 3
1990 • 4 Readers • 484 pages • 2.7