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Shipping & Returns


Customers must call 800·222·5870 for return authorization. Returns must be accompanied by a return authorization number, along with the original order number. Unauthorized returns will be refused. Returns by schools and bookstores must be authorized within 90 days of customer receipt. All other returns must be authorized within 30 days. Materials to be returned must be unopened and in resalable condition. A $3.00 restocking fee will be charged for each item returned.


Changes to existing orders, including delivery or billing address changes, are subject to a $5.00 fee.


UPS Ground: Shipping charges are 8.5% on material list prices, minimum $4.50 per order.

Please allow seven to ten business days for delivery of orders shipped UPS Ground. UPS requires a street address for delivery; no P.O. Boxes, please. Shipping charges noted here apply to orders within the United States.

Customers outside the United States must email customer service at or call 312·332·5870 to place their orders. 

All orders to APO or FPO addresses are sent via US Postal Service Military Mail at the standard shipping charge.