Patch & Tweak With Moog is an excellent look at the company and folk of Moog Music Inc., including some illuminating discussions with some big names and some unfamiliar artists working with Moog systems.
While this book has plenty interesting to show you, it isn't exactly an exhaustive technique book or an educational tool. It is essentially a flattering coffee table book concerning Moogs' current run of semi-modular hardware. The original Patch & Tweak for instance had some pretty dense information in the beginning chapters to explain modular synthesis.
If you're interested in Moog at all, you will enjoy this title.