Purchase discounted books for your nonprofit organization, minimum order 10 books. Place order via links below and email proof of nonprofit status to info@refuelinginflight.com. Upon receipt, your boxes will be ordered. Please be aware that shipping times can vary for discounted book bundles. If you are working with a time constraint, please contact us before ordering and we will inquire of the most current ship times for the discounted books. Please note shipping is free for shipping within the United States. If you would like your order shipped outside of the United States, please contact us prior to placing the order and we will calculate the appropriate shipping rate.