Keep in mind that not all bookcases by definition have to climb the length of the wall. You can cut out a small opening to insert a built-in bookshelf that is situated in such a way that you don’t have to stand on tiptoe nor bend over to retrieve a book.
The door to a study can be painted in faux leather to provide that sumptuous effect of leathery goodness found in upscale studies. Create a trompe l’oeil effect by painting a cabinet with a cigar box, a snifter of snooty brandy and one of those green table lamps perched upon it.
The magic word for making working at home not become homing at work is not please. Not by a long shot.