They almost read themselves I've still got quite a few of her books on the shelf unread and it's a comfort to know they're there .. especially when a read has been gruelling. A couple of pages into Agatha and all is right again
Yes, definitely I do think you can come back to a book, which was previously un-enjoyed, and enjoy it immensely but usually your first impression of a book is correct and it's best to move on. I'm not good at the moving on .. I tend to just suffer