Gray Hat Hacking The Ethical Hackers Handbook, 3rd EditionAllen Harper, Shon Harris, Jonathan Ness, Chris Eagle, Gideon Lenkey, Terron WilliamsJanuary 6, 2011
Business Plans that Work: A Guide for Small Business 2/EAndrew Zacharakis, Stephen Spinelli, Jeffry TimmonsMarch 24, 2011
Social Entrepreneurship for the 21st Century: Innovation Across the Nonprofit, Private, and Public Sectors Georgia Levenson Keohane December 18, 2012