A little searching and I found a bunch. Enjoy!
- What's Best Next by Matt Perman ($2.99)
- Center Church by Tim Keller ($4.99)
- Dangerous Calling & Awe by Paul Tripp ($4.99 each)
- The Artisan Soul by Erwin McManus ($1.99)
- H3 Leadership by Brad Lomenick ($3.99)
- Ordinary by Mike Horton ($2.99)
- Heaven (Theology in Community series) ($2.99)
- How People Change by Timothy Lane & Paul Tripp ($1.99)
- Help My Unbelief ($3.99) & The Pastor's Kid ($0.99) by Barnabas Piper