'Book of the Chronicles' in the Bible

Now when the plot was investigated and found to be so, they were both hanged on a gallows; and it was written in the Book of the Chronicles in the king’s presence.

And all the accomplishments of his authority and strength, and the full account 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?