This book dealing with an account of 52 species of Nudibranchs under 16 families, 6 orders with key characters and distribution of each species presenting the reader with the great diversity of Sea slugs found around these islands. The book is prepared to serve as a field guide for a common man which contains colourful photograph for easy identification, so that he would be able to recognize a majority the important nudibranchs found in the sea. It is earnestly hoped that this book would furnish handy information needed by all the Sea slug lovers for collection and maintenance of these underwater beauties.