A thorough introduction to the evolution of the adhesive stamp and other philatelic meterial, which allows the beginner and experienced enthusiast to understand both the history and value of their collection.

Describes the physical characteristics, habitats, and behavior of birds and examines kinds of seashore birds, woodland birds, birds of prey, and others.--

Rocks, Gems, and Minerals is a field guide to 80 of the most common and sought-after rocks, gems, and minerals hidden throughout North America. Conveniently sized to fit in your pocket and featuring full-color, detailed photographs, this informative guide makes it easy to identify rocks in your backyard and beyond. Also included is an introduction that covers fundamental geology information and interesting facts. This is the essential source when...

Presents photos, descriptions, and information about more than 550 insects and arthropods.

A field guide to mammals in North America includes information about each animal's physical characterstics, appearance, habitat and range, sounds, and behaviors.

Explains how to identify birds of the Midwest and Eastern United States.

This second edition incorporates almost 150 more freshwater fish species, plus all-new maps and a collection of new and revised plates.