This textbook is part of a collection of course materials available to students because of a collaboration between SUNY OER Services and 64 ink(TM), an imprint of SUNY Press. All of the course materials in this program were created or adapted by SUNY faculty. Individuals may order print copies directly from the SUNY Press website. Bookstores may purchase books by contacting HFS customer service at 800-537-5487 or hfscustserv@jh.edu. Students should ask their instructor how to access the free online version of this product.