The Vegetable Gardener's Bible, 2nd Edition: Discover Ed's High-Yield W-O-R-D System for All North American Gardening Regions: Wide Rows, Organic Methods, Raised Beds, Deep Soil
The National Audubon Society Field Guide to North American Trees : Eastern Region
Tulips: For North American Gardens
A Natural History of North American Trees
Native Trees, Shrubs, and Vines: A Guide to Using, Growing, and Propagating North American Woody Plants (Latest Edition)
