Golden, New York, 1968, #13658.  Soft cover, 280 pages including Bibliography and Index.  Very good; wraps have light edge and cover wear, some speckling on rear wrap, prior owner’s name on upper front cover and first (title) page; light reading creases.  Interior clean and unmarked; two-colour maps in margins and colour illustrations throughout by Rebecca Merrilees.  ‘Trees are too large, too majestic, too important, and too much a part of nature to be ignored. … On a planet covered in a good part by forests it is almost impossible to understand fully the many other groups of plants and animals without taking into account the natural biological role of trees.  From the human point of view, trees are a multipurpose natural resource without equal.’ (from Foreword)