Very Good Paperback New Springer-Verlag, 1982. ix, 347 pp. 24 x 16.5 cm. Stiff paper wrappers printed in grey and black, with white and black lettering. Two small spots of soil on spine and front cover, with some very light curling to corners of covers. A few small spots to head of text block and some light bumps to fore-edge of block. Interior is clean and unmarked. Binding sound with no creases or cracks. . Soft Cover. Very Good.