No purchase necessary to win. Giveaway open to United States residents only. Entry period from February 4-14, 2019. By entering this giveaway, you are agreeing to sign up for the Chelsea Green Publishing e-newsletter and the Midwest Organic Sustainable Education Service (MOSES) e-newsletter. By entering this giveaway, you agree to receive special offers, discounts, company announcements, event information, etc., from Chelsea Green Publishing and the Midwest Organic Sustainable Education Service (MOSES) . The winner will be randomly selected from among all eligible entries received and will be notified by email on February 15, 2019.