"--Peter H. Raven, Missouri Botanical Garden "Precise and accurate, a masterpiece of clarity and succinctness."--G. Ledyard Stebbins, University of California, Davis

When Margaret and Casey see their father become weedy while working on his botany experiments, they worry that his plant-testing may not be entirely harmless.

The definitive guide to Pennsylvania's plant life.

Wesley's garden produces a crop of huge, strange plants which provide him with clothing, shelter, food, and drink, thus helping him create his own civilization and changing his life.