Augusta Huiell Seaman, The Slipper Point Mystery (novella… (1919)
“ But where in the world can that place be? 'Right-hand side from the house behind twenty-seven' means nothing at all—to me!" "Well, it does to me!" suddenly exclaimed Sally, the natural-born treasure-hunter of them all. "Where else could they hide anything so safely as in that cave or tunnel? Nobody would ever suspect in the world! And I somehow don't think it meant the cave. I believe,"—and Sally's voice trembled with eagerness, "—I believe it means somewhere in the tunnel, on the right-hand side as you enter it from the cellar." "But what about twenty-seven?" demanded Miss Camilla. ”
