This book covers various aspects of bioremediation and petroleum hydrocarbon degradation in coastal area. The book also focuses on the general processes of bioremediation with in the soil environment and highlighting the biodegradation of Poly aromatic hydrocarbons. This book assumes the reader has little knowledge of the subject and clearly explains its importance. It is a perfect introductory text for any professional who need to learn the basics of biodegradation. All the libraries where applied sciences are studied or taught should have multiple copies of the book available on their shelves. Dr. Hardik Pathak is a Associate Professor and Head Department of Biotechnology at the Mahatma Gandhi Institute of Applied Sciences, Jaipur, Rajasthan, India