BARNES & NOBLE | Social Media for Social Good: A How-to Guide for Nonprofits by Heather Mansfield, McGraw-Hill Companies, The | NOOK Book (eBook), Hardcover http://www.barnesandnoble.com/w/social-media-for-social-good-heather-mansfield/1100719915?cm_mmc=affiliates-_-linkshare-_-tnl5hpstwnw-_-10%3a1&ean=9780071770811&itm=1&r=1&usri=social%2bmedia%2bfor%2bsocial%2bgood