"This book is intended to provide students of earth sciences with help in mastering a wide spectrum of topics , including geology, mineralogy, weather, matter and energy. Both SI and (metric) and British Units are used. Each chapter begins with an outline of its subject. The solved problems are of two those that show how numerical answers are obtained to typical questions in physics and chemistry, and those that review important facts and ideas in physical sciences. The supplementary problems give the reader both a chance for practice and a means to gauge his progress. " Arthur Beiser