After the few few, these are older, but still free. Some you may have missed. The links all go to my blog, so pardon the use of tinyurl (I created this list for another group, originally).
After The Fire (Kindle/noDRM) -
http://tinyurl.com/3wkbr3e
Disturbed Earth (EPUB/nook) -
http://tinyurl.com/3wba6ks
In the Belly of Jonah (Kindle/EPUB/nook) -
http://tinyurl.com/3nxgtdq (mystery/thriller)
Lot's Return to Sodom (EPUB/nook) -
http://tinyurl.com/3cog3os (mystery/thriller)
The Lavender Scare (ADE/PDF) -
http://tinyurl.com/3ghebmr
Jenny Lopez Has a Bad Week (EPUB) -
http://tinyurl.com/4y2twwa
June Bug (Kindle/nook) -
http://tinyurl.com/3e59o6h
2:46: Aftershocks (Kindle/EPUB) -
http://tinyurl.com/3qp35hv
Know the Past, Find the Future (Kindle/nook) -
http://tinyurl.com/3of94k3
Crossing the Line (Kindle/EPUB) -
http://tinyurl.com/3csnynk
L.A. Noire (Kindle/nook) -
http://tinyurl.com/3p9oe5u
I, Spy? (Kindle/nook) -
http://tinyurl.com/4xessw4
Marked (Kindle/nook) -
http://tinyurl.com/3fdhsyy
The Swan House (Kindle/nook) -
http://tinyurl.com/6yd9lry
Fortunes of War (Kindle/EPUB/nook) -
http://tinyurl.com/3em2tcs
The Time Machine (Kindle/EPUB) -
http://tinyurl.com/4xzgap5
Christian Publishers
Wild Thing (Kindle/EPUB/nook) -
http://tinyurl.com/3ez52aq
Leadership Prayers (Kindle/EPUB/nook) -
http://tinyurl.com/3vhc5td
Journey to the Well (Kindle/nook) -
http://tinyurl.com/5v923k8
This Fine Life (Kindle/nook) -
http://tinyurl.com/6ysknp7
The Voyage of Promise (EPUB) -
http://tinyurl.com/3ua9fjo