Between chapters six and seven there is an almost sixty year gap, Zerubbabel, Jeshua, Haggai, and Zechariah, King Cyrus, King Darius, King Xerxes from which we get the story Esther from, are gone, and enter his son King Artaxerxes, as well as Ezra. For the first time in the book, we see the name Ezra introduced into the story, as the men who led Judah to begin the work, persevere through the attacks, complete what God commanded them to do, which is rebuild the temple, are gone.