MindTap History for Norton/Sheriff/Blight/Chudacoff/Logevall/Bailey/Michals' A People and a Nation: A History of the United States, Brief Edition, 9th Edition This product requires a Course Key from your Instructor to fully activate. Please consult your Professor or class syllabus for the specific Course Key. ISBN: 9781133353676 Access to this product is valid for 365 days after initial login. After this period, this product can be viewed under the "view expired" link in your CengageBrain account.