To see a bookcase in your dreams, signifies that you will associate knowledge with your work and pleasure. Empty bookcases, imply that you will be put out because of lack of means or facility for work.
Dream dictionary: Bookcase dream meanings
…the dream, it denotes growth and greater benefits, but if one’s mouth looks smaller in the dream, then it means the opposite. If one’s mouth smells good in the dream, it means speaking good words. Infection of one’s mouth in a dream means a disaster or business losses. If something nice comes out of one’s mouth in a dream, it means kindness toward others. If one sees his mouth sealed in a dream and did not know who did it, it means a scandal or defamation. In a dream, one’s mouth is interpreted in seven ways – It could mean knowledge, a coffer, a cellar, a bookcase, a market, a doorman, a minister, or a door. If a pious person sees a harness around his mouth in a dream, it means fasting from food. If an impious person sees that, it means rebuke and reprimand. (Also see Body 1)…