Anyone who doesn't want to pay $30 for the ctp2 guide can go to a free one at my web site in a week or so, visit it, i promis i will do my best to write it from the actual book + much more tips. ok. its: http://sidgames.homestead.com/main.html
3) Depends on the extent. A few quotes here and there in a review, for example, or a reference (with proper attribution) are not a problem. Wholesale plagiarism is.