Presents a reference guide to over seven hundred species of trees, providing introductory essays along with individual entries on habitat, range, and descriptio

A photographic field guide of North American birds provides color photographs of birds in their natural habitat and discusses their physical characteristics, ha

Presents a handbook for the identification of over five hundred species of trees by illustration and text.

Presents a comprehensive field guide that covers more than seven hundred species of wildflowers in North America, providing common and scientific names; floweri

Presents a reference guide to over seven hundred species of trees, providing introductory essays along with individual entries on habitat, range, and descriptio