London.Henry Frowde. No date. [Inscribed 1916.]. Not paged, but [144pp.] Illustrated with 10 full-page and one double-page colour plates, plus numerous black & white drawings within the text. Original Blue and white cloth with a mounted full-colour pictorial pastedown. Quarto. Probably the first edition. Slight rubbing on boards and corners; slight wear to head and heel of spine; previous owner's note on front fixed endpaper; short old worm-track in inner gutter of front hinge; else a very good copy of an early juvenile on aeroplanes.The illustrations are mostly by Harold Earnshaw.