GREENBERG'S GUIDE TO N GAUGE TRAINS BY DALLAS MALLERICH III,   PUBLISHED IN 1981 BY GREENBERG PUBLISHING, THIS IS A GUIDE TO LIST WHAT WAS PRODUCED BY MANUFACTURERS IN THE EARLY YEARS OF N SCALE.  DESCRIPTIONS OF LOCOMOTIVES, FREIGHT CARS AND PASSENGER CARS, ALONG WITH SOME PHOTOS OF THE ITEMS. WITH THE GUIDE LISTING 1981 PRICES. ALSO INCLUDED IS THE 1985 SUPPLEMENT THAT HAS MANUFACTURER ADDITIONS AND CORRECTIONS FROM THE FIRST BOOK.  THE BOOKS ARE IN VERY GOOD CONDITION. LIKE NEW, ONLY MINOR COVER WEAR FROM STORAGE.  CHECK THE PHOTOS.