6 books in series
Tunnels
Tunnels is a 6-book series with 6 primary works first released in 2007 with contributions by Roderick Gordon, Brian Williams, and Brian Williams.
#1
2007 • 29 Readers • 660 pages • 3.3
#2
2008 • 15 Readers • 659 pages • 3.8
#3
2009 • 3 Readers • 577 pages • 5
#4
2010 • 2 Readers • 527 pages
#5
2011 • 8 Readers • 443 pages • 2.8
#6
2013 • 3 Readers • 402 pages • 5