Offer expires 6/15/2022 at 11:59pm ET. Valid in the United States only. Those who request must be college administrators who are considering for possible course adoption. Offer limited to one e-book each to the first 250 qualified respondents, who will receive an email with a unique download code and instructions on how to claim the free e-book by 6/20/2022. All e-books will be distributed via Glose, a free digital reading platform.