Proof (collected editions) is a 6-book series with 6 primary works first released in 2008 with contributions by Joe Kelly, Riley Rossmo, Alex Grecian, and Chris Grine.
#1 of 6 in Proof (collected editions)
2008 • 1 Reader • 3
#2 of 6 in Proof (collected editions)
2008 • 1 Reader • 128 pages
#3 of 6 in Proof (collected editions)
2009 • 1 Reader • 3
#4 of 6 in Proof (collected editions)
2010 • 1 Reader
#5 of 6 in Proof (collected editions)
2010 • 1 Reader • 128 pages