This wide-ranging book provides a broad and unique canvas on complexity and complexity science at an advanced but non-technical level. The book skillfully combines elements from the history and philosophy of sciences with modern problem solving approaches to the ever growing list of systems in the widest sense. Emphasis is given to the evolution of new structures in natural and cultural systems and we are led to clearly see how the new integrative approach can give insights not available from traditional reductionistic methods. The fifth edition enlarges and revises almost all sections and supplements an entirely new chapter on the complexity of economic systems.