'Book' in the Bible

And the matter was investigated and found out; and they were both hanged on a tree. And it was written in the book of the chronicles before the king.

On that night sleep fled from the king. And he commanded to bring the book of records of the chronicles; and they were read before the king.

And the decree of Esther confirmed these matters of Purim; and it was written in the book.

And all the acts of his power and of his might, and the declaration of the greatness of Mordecai, to which the king advanced him, are they not written in the book of the chronicles of the kings of Media and Persia?