If you are looking for "Adult Paperbacks", Use your desktop to view it under "Collectibles > Paper Collectibles > Pin Up > Vintage (Pre-1970)" All my adult books will be listed on this category.
Book Condition Guide Line:
New: The book is brand new, unused, and unmarked
Very Fine (VF): The book is in pristine condition, as if it was just published
Fine (F or FN): The book is close to new, but not quite
Near Fine (NRF): The book has a number of small flaws
Very Good (VG): The book shows some signs of wear and is no longer fresh, but still attractive
Good (G): The book is generally used but still intact
Fair: The book is worn with complete text and pages, but may lack half-title, endpapers, etc.
Poor (P): The book is very worn.