Update, @berny please do not link to commercial websites, it unfortunately can look like advertising, and encourages spammers, and BALG cannot endorse or be assumed to be advertising third party commercial efforts. Books from legal sources being an exception.
You can post an except of the idea under fair use copyright. This is ideal not least in case the link breaks. 
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Why not a topic about scammers - #7
NEW: Advertising On This Forum Is Not Permitted
Post removed.