Colon classification (CC) is a system of library classification developed by S.R. Ranganathan. It was the first ever faceted (or analytico- synthetic)classification. It is especially used in libraries in India. Colon classification is one of the most scientific and logical schemes based on principles and postulates. However, at times, the rules, principles and postulates are considered to be complex in nature. This book is an attempt to explain the Provision in simple language and lucid style. The present book tread a new Path in presenting Colon Classification to the reader community. It expounds with ample illustrations the fundamental concepts, applications and the intricacies involved in Colon Classification. As a comprehensive work, it aims to be helpful to the advanced student as well as to the beginner in understanding the theory and practice of Colon Classification.