I purchased a couple of books on HotBookSale.com. When I clicked to confirm the order, unknown to me I agreed to join a club called SmartSavingCenter. By the time I discovered their 29.95 charge on my credit card, it was too late to do anything about it. The credit card company won't take off the charge. They say I "agreed" to it so there is nothing they can do about it. They are helping perpetuating this scam. read full review »