Please check the ISBN that your instructor provided. If the ISBN-13 does not match this product (9780357528563) or its Printed Access Card equivalent (9780357804728) this may not be the correct product. In some cases, you may also require a course code from your Instructor. With Cengage Infuse for Boyer/Clark/Halttunen/Kett/Salisbury/Sitkoff/Woloch/Rieser's The Enduring Vision: A History of the American People, 9th Edition, you never have to worry about where to find your course materials. Get access to everything you need through your Campus Learning Management System (Blackboard, Canvas, D2L). Instructor Assigned: Please be aware that the product you are purchasing is usable only if assigned by your instructor. If your instructor has not assigned this product, you should not continue with your purchase.