I received the Anthony Camera book in the mail a couple days ago. From what I've read so far it seems very informative. The only negative thin I can say is that I wish it had color photos and was more sturdily put together.
It seems from talking to guys that instinctive shooters are convinced it's the best for hunting. How do you gap shooters feel about your technique for hunting? I feel pretty optimistic about it. As a compound shooter, I used a single pin, held over or under as needed, and got very good at range estimation +/- 1 yard. It worked very well for me, so I'm fairly confident. I'll try both for sure.