'Book of the Chronicles' in the Bible

When this matter was investigated, and it was found to be so, they were both hanged on a tree; and it was written in the book of the chronicles in the king's presence.

All the acts of his power and of his might, and the full account of the greatness of Mordecai, to which the king advanced him, aren't they written in the book of the chronicles of the kings of Media and Persia?