Synopsis Colon classification (CC) is a system of library classification developed by S.R. Ranganathan. It was the first ever faceted or analytico-synthetic classification. The first edition was published in 1933. Since then six more editions have been published. It is especially used in libraries in India.

Colon classification has revolutionized thinking in library classification and stimulated new research in the field. This classification system is suited to small and large, general and special libraries. It is being taught in schools of library science all over the world not only as a means of arranging books on shelves but also as means of finding out the focus of a book in a systematic way.

The main objective of this book is to explain Colon Classification and the principles involved in facetisation. It is best suited for the advanced library degree holder or information professional seeking knowledge on the Colon Classification system.