reference materials

Exploring the outdoors can be a thrilling but sometimes puzzling adventure. This field guide to the tracks and scat of North American animals shows readers how to identify the signs that animals leave behind, revealing which creatures are in the area. Features include a table of contents, a glossary, and additional resources.

From fighter jets to cargo trucks, vehicles help the US military accomplish its many missions around the globe. This title examines a wide variety of these vehicles, exploring how they work and how they are used. Features include a glossary, additional resources, and an index.

The fascinating world of North American freshwater fish is revealed in this comprehensive field guide. Readers will explore a hundred different species and their habitats through clear, easy-to-read text and full-color photos. Features include a table of contents, a glossary, and additional resources.