John Gills Exposition of the Bible Commentary - Esther 9:29
Then Esther the queen, the daughter of Abihail, and Mordecai the Jew, wrote with all authority ,.... Strongly pressing the observance of this festival; before, Mordecai only recommended it, but now the queen gave a sanction to it, and laid her obligation on the Jews to observe it; perhaps some of the Jews were backward to it, or neglected to observe it, and therefore Esther and Mordecai joined in a letter to them, to press them to it; the Jewish chronologer F24 Seder Olam Rabba, c. 29.... read more
Matthew Henry's Complete Commentary - Esther 9:20-32
We may well imagine how much affected Mordecai and Esther were with the triumphs of the Jews over their enemies, and how they saw the issue of that decisive day with a satisfaction proportionable to the care and concern with which they expected it. How were their hearts enlarged with joy in God and his salvation, and what new songs of praise were put into their mouths! But here we are told what course they took to spread the knowledge of it among their people, and to perpetuate the remembrance... read more