Peter F. Drucker
Description and why important
There are a number of versions of Management: Tasks, Responsibilities and Practices. I recommend the 1974 abridged version.
The original version is The Practice of Management
This Author relates to the following books and Enterprise as a System of Systems (SoS) elements.
Management: Tasks, Responsibilities and Practices, Peter Drucker
Managing the Nonprofit Organization, Peter F. Drucker
Drucker's Lost Art of Management, Joseph A. Maciariello and Karen E. Linkletter
The Essential Drucker, Peter F. Drucker