The Hiram Key is a 6-book series with 6 released primary works first released in 1996 with contributions by Christopher Knight and Robert Lomas.
#1 of 6 in The Hiram Key
1996 • 8 Readers • 422 pages • 2.5
#2 of 6 in The Hiram Key
1997 • 1 Reader • 368 pages
#4 of 6 in The Hiram Key
2003 • 1 Reader • 690 pages