To dream of being in a book store represents your interest in trying something new for yourself. New talents, skills, or lifestyle choices you are considering integrating into your life. You may be interested in learning something new or improving yourself. A bookstore may be a sign that you want to increase your talents or skills in some way.
To dream of a school book store may represent your interest or drive to know absolutely everything in a particular area. A sign that you wish to be fully prepared or always have all the answers to potential problems.