Bangladesh ranks currently as one of the world's foremost disaster prone countries. The book contains material on major natural disasters namely tropical cyclones, floods, droughts, tsunamis, earthquakes and climate change. The author has put forth in this book his lifelong research work in all these topics. As Bangladesh economy depends to a large extent how we tackle natural disasters, this book should rank as a very useful contribution to our national economy. In one of the chapters the author has mentioned giving adequate data on national development that GDP slows down in a disaster year. There are fourteen chapters in this book. It is not in the form of a text book. It is a collection of research papers published by the author in various national and international journals.