Opening a new book means starting a new chapter in one’s life. Dreaming of finding a book in an open area can represent being open to new ideas and religious feelings.
Also see Library.
If books were the main theme of your dream the situation in your life is stable and you will make slow, steady progress to the top of your chosen profession.
look to the other symbols in your dream to tell you in what context you should place the book, or books, in relation to your own life situation, bear in mind that the action associated with books is progress.