I got a E-coupon with discount for 25% off. The limit to 12/15,but I'm not plan to use it that I didn't had the plan to buy the books in this month. Take it for who need it. I got a E-coupon with discount for 25% off. The limit to 12/15,but I'm not plan to use it that I didn't had the plan to buy the books in this month. Take it for who need it.