BLYTON, Enid (author). Burgess SHARROCKS (illustrator). Fun For The Secret Seven. Leicester; Brockhampton Press. 1963.
8vo. Original blue patterned cloth, pictorial decorative endpapers, preserved in pictorial dustwrapper; pp. [viii], 9-120; illustrated throughout in line; a fine copy with printed book label neatly completed, protected by an attractive, price-clipped dustwrapper with small marking to lower panel, nicking to spine head and forecorners, and a little lateral creasing to bottom edge of upper panel.
First edition. The fifteenth, and final, title in the series, and rather elusive. This title was reissued in America in 1972 as The Secret Seven and The Case of the Old Horse.