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Help > Payment Options
We accept Visa, MasterCard, American Express, Discover, Eurocard or JCB credit cards. See our Safe Shopping Guarantee for more information. Credit Cards are charged at the time of shipment.
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You can use a gift certificate to pay for your order. To learn how to redeem a gift certificate, click here.
Purchase Order (available to US libraries and schools only)
We now offer US libraries and schools the ability to send purchase orders and be billed via invoice. To pay by purchase order, set up a school or library account. Accounts are easy and free. Get more information at Institutional Accounts.