Currently Predators of Darkness: Aftermath is ONLY available in digital formats through Amazon.com, eBooksforpleasure.com and Smashwords.
http://www.amazon.com/dp/B0052MFTRK $2.99 for Kindle version.
Beyond the Darkness: Book Two:
http://www.amazon.com/dp/B0052MGLH2 $4.99 for Kindle version.
The Game of Pawns: Book Three:
http://www.amazon.com/dp/B0052MUBW8 $4.99 for Kindle version.