This document provides a summary of the book "Managing in Turbulent Times" by Peter F. Drucker. The book discusses how managers can effectively manage their businesses during turbulent times. It covers topics like managing fundamentals such as inflation and productivity, managing for tomorrow by focusing on resources, growth and innovation, and managing sea changes in areas like production, consumer markets and labor forces. The analysis section notes that the book, written in the 1980s, provides insights on major business shifts during that period and tools for dealing with turbulence.