Please check your order before affixing school stamps to materials. STAMPED OR MARKED BOOKS CANNOT BE RETURNED FOR CREDIT. Also no returns will be accepted for custom books. Merchandise may not be returned without prior authorization. All items returned must be in resalable condition. To get assistance with your return, please contact Lisa Befanis at firstname.lastname@example.org or call 888.698.8463. Please have your purchase order number available. We will accept returns for books within 60 days of purchase and book returns will be subject to a 20% restocking fee. Return of kit materials will be accepted within 10 days of purchase and is subject to a 30% restocking fee. All returns will be at the customer’s shipping expense. Return authorization numbers should be referenced on all packages and include a copy of the original invoice. A credit for the approved items returned will be processed, less the restocking fee. Note: Kit orders only can be modified or canceled within 10 days of the confirmation of your order. Damaged Merchandise: Please notify us immediately of any items damaged in transit or any other discrepancies by calling Customer Service at 888.698.8463. All claims for damages and/or shortages must be made within 30 days after receipt of merchandise. If materials have been received with a binding defect, the customer must provide a representative book as an example of the defective binding. When these books are returned and verified by us to be defective, they will be replaced on an equitable depreciation scale reflecting the elapsed time from the original purchase of the book(s) to the date of return.