4 books in series
Gregor Demarkian
Gregor Demarkian is a 4-book series with 4 primary works first released in 1990 with contributions by Jane Haddam.
#1
1990 • 1 Reader • 320 pages
#2
1991 • 1 Reader • 312 pages • 4
#6
1992 • 1 Reader • 306 pages • 4
#24
2009 • 1 Reader • 391 pages