Notes:  List N…mystery and detective fiction in hardcover and paperback form with just a few Blue Book pulps with mystery stories included.  A few pulp magazine facsimile books are included and listed under “unknown” author.  Generally List N’s main focus is private eye, hard-boiled crime, insurance investigator, gritty police procedurals, and action/adventure fiction. Between parts 1 and 2 there are over 3100 items listed.  To speed loading List N is divided into segments