How to Get the Most Out of Direct Mail?

i one time had, no kid, 30 thousand dollars worth of mail rejected because the card stock was two one thousandth of an inch too thin. It cind of room my day. But knowing the right people and knowing how to get through the problem,. we ended up fixing it for a nominal well, everybody ought to get those resources that you mention. And as long as we're on resources, what oe youd like your two or three? N don't plug mine, cause everybody's got mine. I without a doubt. What are his two or three favored or most used reference books or tools for producing direct mail? He food works well.