Christianbook.com is a great place to check out the latest offerings in the Christian market. They recently asked me to write an ariticle on some aspect of the craft of writing, and I chose to write on using backstory effectively in novels. The article's entitled What the Reader Doesn't Know--Will Thrill Her.
If interested, you can check it out here in the Writer's Corner. Be sure and browse the Author Store and all that Christianbook.com has to offer.