Esther's Story by Diane Wolkstein, illustrated by Juan Wijngaard (HarperTrophy, 1998)
Esther saved the day. Literally. In this biblical account, written in the form of a diary, Esther tells the story of her life and how as Queen Esther she saved her people from Haman, who wished to destroy the Jewish people.
Queen Esther: The Merit of Things Hidden from the Women in Judaism.