Yes, I suppose that would be quite a trip for someone looking for a dentist, eh? As for the tagline, yes, that's exactly so. Props to you for recognizing it. Oddly enough I had instructors in my master's level grammar courses (and rhetoric and style) that used this book as their bible. It's one of the first times I've ever had a really cool book as a textbook (not including fiction review courses, of course).