MINUTE MYSTERIES
[Detectograms]
BY
H. A. RIPLEY
WITH A FOREWORD BY
LEWIS E. LAWES
Warden of Sing Sing Prison
BOSTON AND NEW YORK
HOUGHTON MIFFLIN COMPANY
The Riverside Press Cambridge
1932
COPYRIGHT, 1932, BY HOUGHTON MIFFLIN COMPANY
ALL RIGHTS RESERVED INCLUDING THE RIGHT TO REPRODUCE THIS BOOK OR PARTS THEREOF IN ANY FORM
The Riverside Press
CAMBRIDGE · MASSACHUSETTS
PRINTED IN THE U.S.A.
TO
MY MOTHER