Offer expires on 9/20/2019 at 11:59 PM. It is non-transferable, valid in the United States only, and limited to one (1) download code for (1) e-book to the first 100 qualified responders. Multiple entries will be void and deleted. Please note: Download codes will be sent to institutional email addresses only. Please check to ensure accuracy. You will receive a follow up email about a month after download codes are distributed to confirm adoption plans for your selected title. Your response is appreciated.