Crossfire is a 5-book series with 5 primary works first released in 2004 with contributions by Sylvia Day.
2004 • 10 Readers • 432 pages • 4
#3 of 5 in Crossfire
2013 • 57 Readers • 492 pages • 3.5
#4 of 5 in Crossfire
2014 • 36 Readers • 424 pages • 3.6