PMP: Project Management Professional Exam Study Guide
Kim Heldman
Tackle What's Next: Own Your Story, Stack Wins, and Achieve ...
Eric Wood
Scrum: a Breathtakingly Brief and Agile Introduction
Chris Sims & Hillary Louise Johnson
The Standard for Portfolio Management
Project Management Institute
Think and Grow Rich!: The Original Version, Restored and Revised™
Napoleon Hill
Conceptions of Leadership: Enduring Ideas and Emerging Insights
George R. Goethals & Scott T. Allison & Roderick M. Kramer & David M. Messick