I'd rather order from Al directly. Amazon fucks the publishers. If I remember correctly, they take 55% of the sale price. This can be after they run a promo and drop the price 30% without your permission. Add to that the publisher having to pay for the postage to get it to them (they do not pay for postage) and that when you want a check (which you have to ask for), they charge you a fee to cut a check.
They could have changed, but when I set up the account years ago, I quickly realized that I would never see more than 10% of the value, if everything sold. IF I had to ask them to send the remaing books back, that would have been worst as, you guessed it, they charge you to send your books back too.
As far as I'm concerned, the BoSP books that they have there can be thrown out if not sold, it cost me too much to get my own books back.
They make auction houses look like charities.
Bill