ALL THE BOOKS HAVE A STICKER ON THE BACK COVER, THIS MAY OR MAY NOT LEAVE A PLACE WHEN I REMOVE THEM TO MAIL,  SOME ARE HARDCOVERS, AND SOME ARE PAPERBACKS,  SHOULD BE ABLE TO TELL FROM THE PICTURES WHICH ONES ARE WHICH, THE PAPERBACKS WITH THE MOST COLOR TO THE COVERS HAVE BEEN IN  A CHURCH LIBRARY AND STILL HAVE THE STICKERS, ENVELOPES, ETC. IN THEM