Powell's (for example) have a good alternative, they stack several books on a piece of cardboard the size of the box's bottom, then shrink-wrap the books to the

Powell's (for example) have a good alternative, they stack several books on a piece of cardboard the size of the box's bottom, then shrink-wrap the books to the cardboard. The books can't slide around, and can't move much. I've never had any arrive damaged (unlike AMZN).