- National Audubon Society field guide to North American rocks and minerals, Charles W. Chesterman ; scientific editor, Kurt E. Lowe
- A field guide to medicinal plants, eastern and central North America, text by Steven Foster and James A. Duke ; line drawings by Jim Rose, Roger Tory Peterson, and Lee Allen Peterson ; photographs by Steven Foster
- The Audubon Society field guide to North American trees, Elbert L. Little ; photos. by Sonja Bullaty and Angelo Lomeo, and others ; visual key by Susan Rayfield and Olivia Buehl
- National Audubon Society North American birdfeeder handbook, Robert Burton ; foreword by Stephen W. Kress
- The Audubon Society field guide to North American weather, David M. Ludlum
- National Audubon Society the Sibley guide to birds, written and illustrated by David Sibley
- The Audubon Society field guide to North American mammals, John O. Whitaker, Jr. ; Robert Elman, text consultant ; visual key by Carol Nehring
- The Audubon Society encyclopedia of North American birds, by John K. Terres ; with a foreword by Dean Amadon