'Book of the Chronicles' in the Bible

And when inquiry was made of the matter, and it was found to be so, they were both hanged on a tree. And it was written in the book of the chronicles before the king.

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