4 books in series
The Silent Empire
The Silent Empire is a 4-book series with 4 primary works first released in 2001 with contributions by Steven Harper.
#1
2001 • 3 Readers • 368 pages • 5
#2
2002 • 1 Reader • 368 pages • 5
#3
2003 • 1 Reader • 368 pages • 5
#4
2004 • 1 Reader • 400 pages • 5