The Spider Stone — Eleanor Elford Cameron

She held it in her hand -- the smooth flat stone, with the design of a deadly black widow spider engraved on it as if by an unknown devil. What power did the weird relic have over the two men who wooed her…the small child whom she desperately tried to protect…the danger that shadowed her…?

Dana Whitcomb knew that her one hope of salvation, or her final seal of doom, lay in unlocking the strange and terrible secret of THE SPIDER STONE