Arthur Conan Doyle's iconic book The Sign of the Four written in Gregg Shorthand by Georgie Gregg. This is an EXACT reproduction of a the book published originally in 1915. This book may have occasional imperfections such as missing or blurred pages, poor pictures, errant marks, etc. that were either part of the original artifact, or were introduced by the scanning process. We believe this work is culturally important, and despite the imperfections, have elected to bring it back into print as part of our continuing commitment to the preservation of printed works worldwide. We appreciate your understanding of the imperfections in the preservation process, and hope you enjoy this valuable book