Comments:ALTERNATE EDITION: CONTENTS SAME AS STUDENT EDITION, but may have instructor notes and/or publisher markings. Instructor edition. May not include student CD or access code. Has heavy shelf wear, but still a good reading copy. Slight wrinkling/discoloration to some pages, but does not affect readability.Over 1,000,000 satisfied customers since 1997! Choose expedited shipping (if available) for much faster delivery. Delivery confirmation on all US orders.