Differential Geometry and the Calculus of Variations

New York: Academic Press, 1968. First edition. Hardcover. Very Good +/Very Good. 440 pp. Octavo [23.5 cm.]; Maroon cloth over boards. Blindstamped front cover and gilt title to front cover and spine. Edges are gently rubbed, with ever so slight toning to edges of textblock. Binding is tight. In a very good illustrated dust jacket, with flap faces and edges rubbed and bumped. There is curling and creasing along the edges, but no losses of material. Exhibits occasional annotation in pencil on pages. Volume 49 in "Mathematics in Science and Engineering.