Our search for knowledge and the ability to learn from other people’s experience and opinions is symbolized in dreams by books and libraries.
To dream of old books represents inherited wisdom and spiritual awareness.
If we dream of a bible or other religious book it usually means that we are aware of traditional moral standards. We need a code of conduct that helps us to survive.
To dream of account books indicates the need or ability to look after our own resources, practical and otherwise. You may also like to consult the entry for reading for further clarity.