ferns Author:philip perl 120 fine-detailed watercolor species on 45 pages.U.S.climate maps[3];4 page chart of characteristics:Dimensions,soil requirements[6 columns],light,special uses[8],7 night-low temperatures.Plus 17 families identified,including 3 water families,using 32 color photos,plus many indoor& outdoor — gardening techniques.Even has rock,dry,& alkaline speci... more »es coverage!--[R.R.Schmoller,PhD Ecology]« less