Project Managers Portable Handbook
David I. Cleland & Lewis R. Ireland
The Book of Five Rings
Miyamoto Musashi
The Wiley Guide to Managing Projects
Jeffrey K. Pinto & Peter W. G. Morris
Practices for Scaling Lean & Agile Development
Craig Larman & Bas Vodde
Process Excellence
Eva Best & Martin Weth
Scrum Basics
Ken Schwaber
The Scrum Guide