The book has, by far, the most in depth instruction out there. I've seen almost every instructional out there and the book has taught me the most by far. That being said, detention is funnier, much better narrated (the guys in the book do a lot of "uhh and umm-ing" and kind of sound like they're talking to a wall) and is still a really good learning tool. I would recommend the Book way before anything else, though.
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