9 books in series

Underworld

Underworld is a 8-book series with 7 primary works first released in 2004 with contributions by Apollos Thorne, Sophie Lark, and 3 others.

The Underworld Collection
#1
The Underworld Collection

2010 • 28 Readers • 293 pages 3.6

Colors of Crime: Books 1-4
#1-4
Colors of Crime: Books 1-4

2020 • 1 Reader 5

Underworld
#1-8
Underworld

2020 • 3 Readers 5