1. Social Media for Social Good: A How-to Guide for Nonprofits (2011) by Heather Mansfield
2. 101 Social Media Tactics for Nonprofits: A Field Guide (2012) by Melanie Mathos, Chad Norman, Beth Kanter
3. Nonprofit Social Media: A beginner's guide to nurturing relationships from your desk (2013) by Marc A Pitman Mergers & Collaborations