To dream of books represents ideas, information, insights, or answers. It may also reflect what you tell yourself to do when a specific situation or problem arises. Consider a book’s title, subject, color for additional meaning.
To dream of books on a shelf represents ideas, information, or insights that you have yet to use. Answers or knowledge you can go to when needed. Ideas you have yet to discover or that you are beginning to explore.
To dream of an overdue book represents a feeling of responsibility or obligation to give someone else the answers they need. It may also reflect your sense of being late for a school project or work report. Alternatively, it may represent your anxiety about a deadline or need to return something to someone.
Example: A man dreamed of happily looking through a book where he saw someone being killed. In waking life he kept telling himself that if an enemy threatened him once more he could have him beaten up in certain ways. The book reflected the answer to his problem having carefully considered all his options.