Digital publications are intended for use by single user only, and have been protected against unauthorized distribution using a proprietary Digital Rights Management (DRM) technology.
Additional discounts are available for multiple-user discounts. Contact the PTI Bookstore at (248) 848-3180 for more information.
Expedited shipping is not available for DRM Digital publications. If you purchase a digital publication, it will be emailed to you in a timely manner.