Here are all the books from both publishers, along with the coupon codes needed.
Gryphonwood Press
Cibola by David Wood - SJ79G
Dead Eye: Pennies for the Ferryman by Jim Bernheimer - MK29P
Death Dealt the Hand by John E. Bailor - CT72U
Dourado by David Wood - QX73J
Flank Hawk by Terry W. Ervin II - DM58A
Seabird - An Invitation by Sherry Thompson - QW23Y
The Silver Serpent by David Debord - MG27T
Street: Empathy by Ryan A. Span - KK37T
You Don't Know What You've Got... anthology - RD33A
Blade Red Press
Ghost Of The Black by Alan Baxter – already free
MageSign by Alan Baxter – HH65A
RealmShift by Alan Baxter – DK99C
Maggots Of Heresy by Michael Fridman – already free