Prices & Discounts
Prices in our catalog are listed in US & Canadian dollars. Prices are subject to change without prior notice. Canadian customers may pay in Canadian dollars. Customers outside of Canada must pay in US dollars. Credit card payments can be made in US Dollars only.

How to Order
When placing an order, please indicate the book number, ISBN number (if applicable), title and price. Canadian customers are advised to direct their orders to our Canadian office. All other customers should send their orders to our US office.

Payment & Returns
We accept VISA and MasterCard. Individuals must prepay. For institutions, payment is due within 30 days of our billing. Returns must be made within 30 days of receipt of shipment. Returned books must be in saleable condition, unmarked and uncirculated, and accompanied by a copy of our return authorization.

Shipping
Books are shipped by book post for all international destinations. UPS Ground Service is used for most US and Canadian destinations. Postage and shipping fees are extra.