Praised by The New York Times as "an indispensable guide for the homeowner and the professional," Tree Maintenance has been the definitive source on maintenance of North American landscape trees for over fifty years, an essential reference not only for arborists, nurserymen, and landscape architects, but for all homeowners who want to keep their trees healthy and pest free. br The Seventh Edition, now named in honor of Dr. P. P. Pirone, who authored the first five editions and co-authored the sixth, has been revised to reflect the enormous amount of new information available since the last edition, including the latest techniques in selecting, planting, and ..