Proof (collected editions) is a 6-book series with 6 released 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 • 2 Readers • 4
#2 of 6 in Proof (collected editions)
2008 • 2 Readers • 128 pages • 3
#3 of 6 in Proof (collected editions)
2009 • 2 Readers • 3
#4 of 6 in Proof (collected editions)
2010 • 2 Readers • 4
#5 of 6 in Proof (collected editions)
2010 • 2 Readers • 128 pages • 3