VC Andrews Logan Series 4 Paperback Books Keyhole Olivia Heart Song Music

4 paperbacks, books 1-4. Vintage condition, tanning of pages, some speckling on edges, may have price stickers on back. Books are solid. I see no writing throughout except for maybe name written in front. All text is readable. 1. Olivia 1999 2. Heart Song 1997 3. Unfinished Symphony 1997 4. Music In the Night 1998