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.

Tunnels
#1PopularFirst

2007 • 25 Readers • 464 pages • 3.4

Deeper
#2

2008 • 13 Readers • 659 pages • 3.8

Freefall
#3

2009 • 2 Readers • 577 pages • 5

Closer
#4

2010 • 1 Reader • 527 pages

Spiral
#5

2011 • 6 Readers • 443 pages • 2.8

Terminal
#6

2013 • 2 Readers • 402 pages • 5