I recently finished reading The Art of Network Architecture. If I remember correctly, I found out about this book during an episode of the Packet Pushers where the author participated.
I ordered the book based on the promise of discussion of SDN use cases and SDN networking in general. It turns out that this wasn’t the best book to dig into that area but it does offer a nice overview and reminder of networking concepts across all areas of networking from design to management. So while parts are a bit fluffy and common sense, it was worth reading in the same way a good survey paper is.