Love John Maxwell's books
Being the second book that I read from leadership expert John Maxwell and about teams, The 17 Indisputable Laws of Teamwork has given me lots of insights on becoming a better team member and leader...
Amazon.com: The 21 Irrefutable Laws of Leadership: Follow Them and People Will Follow You (9780785288374): John C. Maxwell: Books
managing change in organizations: a practice guide
Certifications | Project Management Institute