3 books in series
The Unseen Trilogy
The Unseen Trilogy is a 3-book series with 3 primary works first released in 2000 with contributions by Stephanie Erickson, Nancy Holder, and Jeffrey J. Mariotte.
#1
2014 • 4 Readers • 224 pages • 3
#2
2000 • 2 Readers • 352 pages • 5
#3
2015 • 1 Reader • 180 pages • 2