I recently finished Eric Ludy's Bravehearted Gospel. I found it to be a good and challenging read. I like spiritual writers who whack me on the side of the head to help me think straighter. Writers who quote Tozer and Ravenhill get my attention.
I don't always agree with Tozer types -- but they always make me think and pray -- and that's a good thing!
Although Ludy suffers a bit from what B. T. Roberts called, "a warring holiness", and picks a few fights that really aren't necessary, I believe the essence of what he is saying (keep it true to the Bible) is an important corrective to some of the doctrinal fuzziness of recent times -- particularly in the emergent camp.