First edition, eighth printing. 182, [2]pp, with illustrated frontispiece and further full page line drawings in text, all by J Abbey. In beige cloth-covered boards with green lettering front and spine. 12mo. Cloth a little rubbed and soiled at extreme edges, gently rounded at spine tips. Upper text block edge spotted and dust-darkened. A little patch tanning on endpapers, previous owner's name on front free endpaper, else internally neat, clean, bright and tight. In its original pictorial dust jacket, worn, with a little rubbing and chipping on edges and spine tips, price clipped. A lovely vintage copy of the seventh adventure of the five find-outers and Dog (the famous five).