7 books in series
Helix
Helix is a 3-book series with 7 primary works first released in 2007 with contributions by Eric Brown and Nathan M. Farrugia.
2007 • 5 Readers • 526 pages • 4
4 Readers • 3
1 Reader
2016 • 1 Reader • 117 pages
2016 • 1 Reader • 250 pages
1 Reader • 178 pages
1 Reader • 192 pages