During the days which followed, Blake told no one of his expedition. Instead, he read much in certain books, examined long years of newspaper files downtown, and worked feverishly at the cryptogram in that leather volume from the cobwebbed vestry room. The cipher, he soon saw, was no simple one; and after a long period of endeavour he felt sure that its language could not be English, Latin, Greek, French, Spanish, Italian, or German. Evidently he would have to draw upon the deepest wells of his strange erudition.