This document summarizes the book "In Search of Excellence" by Thomas Peters and Robert Waterman. It discusses the authors and their backgrounds. It then outlines the 8 principles described in the book for running a successful business: 1) Bias for action, 2) Staying close to customers, 3) Autonomy and entrepreneurship, 4) Productivity through people, 5) Hands-on value-driven management, 6) Sticking to the knitting, 7) Simple form and lean staff, and 8) Simultaneous loose-tight properties. The principles focus on taking risks, customer focus, empowering employees, clear values, and balancing centralized control with decentralized autonomy.