This e-book presents a global perspective on research in the area of Project Management Maturity. The area is one of great interest as evidenced by the numerous submissions from researchers and practitioners working in a number of countries. The final e-book reflects this great global interest, with contributions drawn from Australia, Indonesia, the United Arab Emirates and Europe. The chapters in this e-book present a range of conceptual and empirical papers, extending the body of academic knowledge in Project Management maturity. The level of interest indicate that this topic will only grow in prominence in years to come and it will be interesting to revisit it in future research.