रहस्य व अपराध

Minute Mysteries [Detectograms]

By H. WITH A FOREWORD BY LEWIS E. LAWES _Warden of Sing Sing Prison_ BOSTON AND NEW YORK HOUGHTON MIFFLIN COMPANY _The Riverside Press Cambridge_ 1932 TO MY MOTHER FOREWORD The solution of criminal mysteries constitutes one of the most absorbing, possibly the most intriguing forms of mental activity existent. It calls for something more than mere cold intelligence and reasoning ability, requiring in addition native perception, intuition, and a natural understanding of human behavior under stress