My own experience is thus: If someone wants money from you to include you in XYZ publication--it's a scam. If they want to PAY YOU to include you in a publication--it's legit enough. :laugh:

I cannot save the world. Only my little piece of it. If we all act together, we can save the world.--Nelson Mandela
An  inconsistent hobgoblin is the fool of little minds
Taking "Just do it" to a whole new level!