THE 17TH LETTER by Dorothy Cameron Disney                         Bantam Books, First Paperback Printing, April 1947                   Condition: Very Good Plus                                                                                                                                                                This espionage novel by Dorothy Cameron Disney (no relation to Walt) is Bantam #91, with illustrated end papers.  Its exterior wear is light - small corner crease which sightly affects a few page corners, light spine crease and slight spine top chip.  The interior has tiny page corner creases and light edge wear on several pages.  Else a square spine,  secure binding and no writing or markings on pages.