A richly illustrated field guide to all of North America's major habitats-packed with invaluable information to help you get the most out of your outdoor adventures

Whether you're a birder…

Ever heard that money makes the world go ‘round? It’s true! Just try getting anywhere without a little cash in your pocket. But there’s more to money than opening a…

Discover the most impactful and incredible episodes from human history, from the prehistoric era to the present day, through the perspective of fifty of the most important, and often surprising…

This fascinating and highly entertaining book contains little-known anecdotes, facts and details from the life of Winston Churchill who, in 2002, was voted the Greatest Briton of all time.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it.

This work is in the "public…

Reversals of the Earth’s magnetic field have played a major role in the development of plate tectonics and in establishing a geological time scale. In this 1994 book, observational data…

A revealing look at the common causes of failures in randomized control experiments during field reseach-and how to avoid them All across the social sciences, from development economics to political…

A central concern of number theory is the study of local-to-global principles, which describe the behavior of a global field K in terms of the behavior of various completions of…