North on the Wing: Travels with the Songbird Migration of Spring

Birds of North America: A Photographic Atlas

Lost Worlds: Adventures in the Tropical Rainforest

Birds of Maryland, Delaware, and the District of Columbia

Natural Encounters: Biking, Hiking, and Birding Through the Seasons

Birds of New Guinea: Second Edition, Edition 2

Birds of New Guinea: Distribution, Taxonomy, and Systematics

New Guinea: Nature and Culture of Earth's Grandest Island

Ecology of Indonesian Papua Part Two

Ecology of Indonesian Papua Part One