Sweet & Maxwell, London, 1950, Fourth Edition.  Adapted from the System Der Kriminalistik of Dr. Hans Gross, Professor of Criminology in the University of Prague by John Adam, M.A., Barrister-at-Law – Crown and Public Prosecutor, Madras and J.  Collyer Adam, Barrister-at-Law – Public Prosecutor, Madras.  Hard cover, 356 pages including Index.  Blue boards with silver lettering on spine; Lux Gentium Lex embossed on front.  Some edge, corner and spine end wear; binding sound with a very slight lean.  No jacket.  Presentation stamp on front pastedown along with prior owner’s address label, address label on rear pastedown as well.  Glue remnants in gutter of half-title page.  Remainder of interior clean and unmarked; illustrated with black & white photos and illustrations.  “This is a manual for the investigator.  It does not aim at teaching him to be a scientist or a pathologist and, therefore, omits abstruse technical details which can be found elsewhere.  It is the investigator who is in charge of the case, and it is for him to seek scientific and technical advice when necessary.  He will know by experience and training which expert is required.” (from Preface)