Finally available for purchase in Paperback or Ebook for Ipad is PROTO - PORN: The Art Figure Study Scam of the 1950s by Jim Linderman.  The FIRST book on the mysterious and seldom seen soft-core smut pretending to be art and photography instruction manuals.  NEVER BEFORE covered in a book!  With over 100 illustrations, a rainbow of fugitive literature you never knew existed!  Another tale untold is presented by Dull Tool Dim Bulb Books!