5 books in series

Duty

Duty is a 5-book series with 5 primary works first released in 2007 with contributions by Betsy Brannon Green.

Hazardous Duty
#1PopularFirst

2007 • 1 Reader • 293 pages • 4

Above and Beyond
#2

2008 • 1 Reader • 251 pages • 4

Code of Honor
#3

2009 • 1 Reader • 216 pages • 4

Proceed with Caution
#4

2013 • 1 Reader • 244 pages

Danger Ahead
#5

2014 • 1 Reader • 304 pages