All books subject to prior sale, returns accepted within 10 days with notification, if not as described. Prices net to all. METHODS OF PAYMENT: Check with order, U.S. bank funds only. VISA/MASTERCARD/AMEX/DISCOVER credit card orders accepted. I can also accept deposit or credit card payment through PayPal. NC residents add 6.75% sales tax. SHIPPING: USPS 4th Class Media Mail: $4.95 minimum, some heavy books more, each additional book $1.50. Priority Mail: $6.95 minimum, many books more, depending on weight and your postal zone; please ask for exact amount. FOR ALL NON-U.S. SHIPMENTS, INQUIRE FOR EXACT SHIPPING COSTS. Also inquire for Fedex, or other special handling.