- Naturalist's Big Bend: An Introduction to the Trees and Shrubs, Wildflowers, Cacti, Mammals, Birds, Reptiles and Amphibians, Fish, and Insects (Louise Lindsey Merrick Natural Environment Series, 33)
- A Field Guide to Birds of the Big Bend (Texas Field Guide Series)
- Native Host Plants for Texas Butterflies: A Field Guide
- Birds of Big Bend National Park and Vicinity
- Birding Texas