Trees of the Northern United States and Canada is the most complete book on the trees of northern North America ever published. It features More than 300 species of trees and shrubs of the northern United States and Canada. 136 range maps of Canada and the northern United States that show the territory of each species. A new easy tree identification method in which trees are organized into 12 groups based on leaf shape and arrangement along the twig. Keys for both summer and winter identification of trees and shrubs. 600 color photographs and 1600 drawings of special features useful for identification. Trees for the Northern United States and Canada is a must for the forest professional, landscape architect, amateur naturalist, student, or teacher and for anyone who is fascinated by trees and forests.Farrar, John L. is the author of 'Trees of the Northern United States and Canada', published 1991 under ISBN 9780813827407 and ISBN 081382740X.