"737 Cockpit Companion" - Bill Buffer.

Master your domain.

(Hard to believe all of this nerd level stuff used to be legit questions for checkrides. Be the pro you wanted to be when you started flying and drink from the SWA 737 expert firehose. Boring as fudge. Expertly presented. When the music stops and you're in your airframe for life, get something like this.Here. (I found it on sale in an FBO somewhere) ).