This is not an easy book to read. It takes awhile to get going. The first half alternates from tedious to infuriating. But the payoff in the second half is more than worth it. If you allow God to speak through Paul Zahl, it's a thrilling, life-changing ride. He defines grace as one-way love. Zahl is rigorously insistent and comprehensive on this definition and its application throughout the course of the book. I highly respect that because I find that I'm inconsistent about grace. I preach the importance of unconditional love but there are vast swaths of heart landscape that lay untouched by grace. Zahl's style is unique. The dude is old and he constantly makes movie references from the 1960s and earlier. He acts as if you should know what he's talking about. That's the infuriating part. At certain points, I had no idea what he was talking about. If that happens to you, give him the benefit of the doubt and keep going. The book is organized like the b...