Your entire course, including your textbook, will be delivered online. You will not have to wait for anything to arrive in the mail; your textbook is in PDF format and can be downloaded as soon as you start your class. Additional PDF supplemental reading materials may also be available, depending on your course. You will see options to purchase a paper copy of your textbook within your course should you desire. If you purchased printed supplemental materials with your package they will be mailed to you within a few business days. You do not have to wait for any mailed materials to start your course.