In The Maritime and Coastal forts of India book, author Mukund S. Naravane has described 151 forts, their importance to the various Indian rulers has been analyzed. The appendices cover some allied topics such as climate of history of the period, some thoughts on restoration, preservation and utilisation of these forts. Two new concepts add to the value of this book. One is the classification of forts into Main forts, Secondary forts and fortified outposts, which are otherwise classified into land, sea and hill forts. Second is the distinction done between maritime forts and costal forts.