THE INVISIBLE FOE A STORY ADAPTED FROM THE PLAY BY WALTER HACKETT BY LOUISE JORDAN MILN (MRS. GEORGE CRICHTON MILN) NEW YORK FREDERICK A. STOKES COMPANY PUBLISHERS Copyright, 1918, 1920, by Copyright, 1918, 1920, by Frederick A. Stokes Company Frederick A. Stokes Company All rights reserved All rights reserved “Blind, blind, blind” Blind, blind, blind