Terms of sale: Credit card orders accepted through Biblio.com on their secure server. All titles offered net. Returns accepted within 7 days of receipt at buyer's expense unless not in stated condition. When the book weight [4 lbs.+] exceeds the default amount, we reserve the right to ship via book rate, which will take slightly longer than the quoted priority delivery time. This exception usually applies to large sized books. MULTIPLE VOLUME SETS are quoted separately and sent via book rate. FOREIGN ORDERS sent surface book rate for stated rates [under 4 lbs]. Over 4lbs. or by other method quoted at cost plus handling.