Birds in 1998

A Peterson Field Guide to Rocks and Minerals by Pough, Frederick H.

A Peterson Field Guide to Wildflowers: Northeastern and North-Central North America by McKenny, Margaret, Peterson, Roger Tory

Baby Bird Portraits by George Miksch Sutton: Watercolors in the Field Museum by Johnsgard, Paul A.

A Peterson Field Guide to Eastern Trees: Eastern United States and Canada, Including the Midwest by Wehr, Janet, Petrides, George A.

A Peterson Field Guide to Western Trees: Western United States and Canada by Petrides, Olivia