Are you curious to know what all languages have in common and how they differ? Do you want to find out how language can be used to trace different peoples and their past? Now in its fourth edition, this fascinating book guides beginners through the rich diversity of the world's languages. It presupposes no background in linguistics, and introduces key concepts with the help of problem sets, end-of-chapter exercises and an extensive bibliography. It is illustrated with detailed maps and charts...

Foundations of Astrophysics provides a contemporary and complete introduction to astrophysics for astronomy and physics majors. With a logical presentation and conceptual and quantitative end-of-chapter problems, the material is accessible to introductory astrophysics students taking a two-semester survey course. Starting with the motions of the solar system and a discussion of the interaction of matter and light, the authors explore the physical nature of objects in the solar system, and the...