THE AVENGER series by Kenneth Robeson (Paul Ernst)          Warner Paperback Library, First Book Editions, 1972                    #1 JUSTICE, INC. - About Very Good                                          #3 THE SKY WALKER  - About Very Good                                                                                                                                     This was the first book publication of two pulp novels featuring crime fighter The Avenger; nearly all of the 30 novels were written by Paul Ernst under the Kenneth Robeson pseudonym.  (Though Robeson was also the stated author of the Doc Savage novels, several writers, but not Ernst, actually wrote them.)  #1 has modest edge/corner wear and a very light spine reading crease.  #3 has light edge wear but somewhat more spine creasing and tiny numbers stamped on the page edges,  Both books have store stamps on the first page.  Otherwise, interiors are nice and bindings are secure.