Birds of Maryland & Delaware Field Guide: Includes Washington, D.C. & Chesapeake Bay (Bird Identification Guides)

Maryland & DC Birds: A Folding Pocket Guide to Familiar Species (A Pocket Naturalist Guide)

Mid-Atlantic Birds: Backyard Guide - Watching - Feeding - Landscaping - Nurturing - Virginia, West Virginia, Maryland, Delaware, New Jersey, Pennsylvania (Bird Watcher's Digest Backyard Guide)

Birds of Maryland & Delaware Audio (Bird Identification Guides)

Birds of the Eastern Chesapeake: Maryland & Delaware: A Guide to Common & Notable Species (Quick Reference Guides)

National Audubon Society Field Guide to the Mid-Atlantic States: New York, Pennsylvania, New Jersey, Maryland, Delaware, West Virginia, Virginia

Delaware Birds: A Folding Pocket Guide to Familiar Species (A Pocket Naturalist Guide)

Eastern Shore Road Trips: 27 One-Day Adventures on Delmarva (Volume 1)

Maryland & DC Trees & Wildflowers: A Folding Pocket Guide to Familiar Species (Pocket Naturalist Guide Series) (A Pocket Naturalist Guide)

Chesapeake Bay Wildlife: A Folding Pocket Guide to Familiar Species (A Pocket Naturalist Guide)

A Year across Maryland: A Week-by-Week Guide to Discovering Nature in the Chesapeake Region