This book is intended to be an introduction to Earth's grid system, rivers, oceans, deserts, basic geology, and cartography. The subject matter is presented in a lucid and succinct style so that even those who do not have a prerequisite knowledge of the subject can easily understand it. Extensive use of Maps for better clarity. It is widely read reference book that deals with the relevant features and topics of geographical landscape in a systematic and comprehensive manner. It is being referred to by the graduates and postgraduates of the subject and by the researchers and academicians.