This might not be a deal for everybody, but I wanted to read the book, "The Creature From Jekyll Island: A Second Look At The Federal Reserve" by G. Edward Griffin, anyway. I caught the offer either on TV or on a radio spot, I can't remember. Anyway, when you order the book for $31.00, they'll ship it for free and include a "Free Silver Dollar."
I ordered, and got my book in about a week. Packaged with it, in a plastic flip, was an average circulation 1923 Peace Dollar. I love Peace Dollars, and can never have too many in my collection, so I was really happy with the deal. Yes, you can get the book cheaper in about a dozen different places, but considering that the melt value alone on the Peace Dollar is over $28, this seemed like a great deal to me... if you have been looking for the book, too.
Here is the link:
Scroll about halfway down the page, and you'll see the box showing the book cover.