This book is a collection and expansion of the column, Programming Pearls, published in Communication of the Association for Computing Machinery. The essays present programs that go beyond solid engineering techniques to be creative and clever solutions to computer problems. The programs are fun and they teach important programming techniques and fundamental design principles. Written in a engaging style, this book will appeal to people with some programming experience who want to learn more about refining their techniques. ACM Press. 0201103311B04062001