4 books in series

Underworld Detection Agency

Underworld Detection Agency is a 4-book series with 4 primary works first released in 2011 with contributions by Hannah Jayne, Alexandra Ivy, Nina Bangs, and Dianne Duvall.

#1
Under Wraps

#1 of 3 in Underworld Detection Agency

2011 • 12 Readers • 353 pages • 2.2

#3
Under Suspicion

#3 of 3 in Underworld Detection Agency

2012 • 5 Readers • 352 pages • 4.5

#4.5
Predatory

#3.5 of 12 in Immortal Guardians

2013 • 2 Readers • 417 pages

#6
Under the Final Moon

#6 of 3 in Underworld Detection Agency

2014 • 4 Readers • 316 pages • 4.5