Pictures of 140 common trees, identifying their leaves, fruit, form, range, and uses.

Provides charts, tables, and instructions for the amateur astronomer on how, where, and when to observe stars, constellations, and planets. Also discusses meteors, comets, eclipses, and other celestial objects.

Includes information on collecting and identifying minerals, and sections on metallic, nonmetallic, gem and rock-forming minerals, and on igneous, sedimentary and metamorphic rocks.

Spot the silhouette of a Northern Goshawk in flight. Identify the raucous call of the Red-winged Blackbird. Discover the secret of picking out a Chipping Sparrow from its look-alike cousins. It's simple with this classic field guide, a treasured favorite among amateur bird lovers and exacting professionals.

This is a useful guide that describes and illustrates the most common and damaging pests of home, garden, field, and forest. Full color illustrations and up-to-date facts help you identify the pest, its life stages, and the damage it does-- as well as the best times and methods for control.

A guide for the identification of shells, including general information on mollusks and advice on shell collecting and study.