Evolution is an interdisciplinary science and extends to diverse fields such as Zoology, Botany, Earth Science and Geography. The present title is an effort to summarize the basic concept and principles of the subject, to present the elementary factual information with which a person to be competent in the field should be familiar, and to show how these principles and facts may be applied in a practical way to the interests and welfare of man. Although the book relates especially to animals, enough material given covering plants to bring out their essential place in the system of nature. The present title is intended for beginners who wish to understand the fundamentals of Evolution. The whole gamut of subject has been described in a simple and systematic manner suited for readers who have not been exposed sufficiently to the subject. It is an adequate text for all requirements in this area for the students of all Indian Universities. The primary aim throughout has been clarity, simplicity and the high standard. It will be a valuable study aid to teachers, students and research scholars in the related field.

Origin of Life, as is suggestive from the name of the title, gives a vivid and categorical scientific account of the origin and evolution of life on the earth. This book is consisted of the following Chapters.

CONTENTS
The origin and Evolution of the Solar System; The Origin of the Earth; Primordial Oceans; Water; The Chemical Elements of Life; Oxygen; The Origin of Life; The Evolution of the Earliest Cells; Distribution of Animals; Evolution by Dobzyansky; Evolution of Unicellular Organisms; Origin of Metazoa; The Search for Life on Mars; Life Outside the Solar System; The Anatomy and Relationships of Dinosaurs; etc.

There are several good reasons to believe that the earliest organisms originated in the sea. The sea contains salts needed for health and growth. Evolution from Rocks consists of eighteen chapters giving an elaborate account of the themes. Researchers, P.G. students, scientists and teachers will find this book of utmost use.

CONTENTS
Igneous Rocks and Igneous Activity; Metamorphic Rocks and the Continental Crust; Sedimentary Rocks; The Oldest Rocks; Fossilisation; Chemical Fossils; The Oldest Fossils; Geological Distribution; Zoogeographical Distribution; Geographical Distribution; Bathymetric Distribution; Bathymetric Distribution; Evolution by Shull; Vertebrates of Paleozoic Era; Vertebrates of Mesozoic Era; Vertebrates of Mammalian Era; The Origin and Adaptive Radiation of Reptiles; The Origin of Birds; the Origin and Evolution of Mammals; etc.