Join Extra Credit now! Help us donate up to $100,000 to charity while saving $6 off a purchase of $60 or more on the textbooks, eBooks and rentals you need at Each time an Extra Credit coupon code is used, through June 30, 2016, we'll donate $1 to that charity.

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Offer valid only with coupon code at time of checkout, promotion ends June 30, 2016. Discount does not apply to digital homework products, Aplia, already discounted products or Microsites. U.S. orders only.