This book is written to give an idea about the molluscan shells that are found on the intertidal habitats of Karnataka. It begins with the inroduction to molluscs that would be helpful for the layman to identify the shells collected from the seashore as a hobby or scientific purposes.The parts of shells are depicted in the book and described in the glossary makes the identification easier.The distribution of shells in the Indian coast and other countries is intended to give more knowledge on these wonderful creatures.