PAPERBACK ORIGINAL FIRST EDITION, Penguin Signet New American Library #667, published April 1948. Paperback original, First Printing, no previous hardcover listed. Cover “Great True Cases From The Pinkerton Crime File.” Cover illustration by Jonas. Contents ‘The Cleveland Borgia,’ ‘The Jekyll-Hyde Case,’ ‘King Of The Race Track Ringers,’ ‘Chicago Bluebeard,’ ’The Murdering Masquerader,’ and ‘Death In The Churchyard’. Paperback, 168 pages, 19 cm.
PAPERBACK ORIGINAL FIRST EDITION, Penguin Signet New American Library #667, published April 1948. Paperback original, First Printing, no previous hardcover listed. Cover “Great True Cases From The Pinkerton Crime File.” Cover illustration by Jonas. Contents ‘The Cleveland Borgia,’ ‘The Jekyll-Hyde Case,’ ‘King Of The Race Track Ringers,’ ‘Chicago Bluebeard,’ ’The Murdering Masquerader,’ and ‘Death In The Churchyard’. Paperback, 168 pages, 19 cm.