Published by Doubleday & Co, New York, 1969, 1st edition. Pictorial boards under identically illustrated dustwrapper. 10.5ins x 7.5ins, pictorial endpapers, 192pp. Illustrated throughout by drawings and diagrams by the author. A story of how the Dutch have tried to build a land where only sea existed before. Both corners of the front flap of the dw clipped. Gift inscription to base of half title. VG / VG.