What follows is an an organized and curated list of content. Click here for an exhaustive list of content on Esther
Kenneth Boa: 22. Esther  Part of the series: Visual Survey of the Bible.
Bill McRae: 16. Esther  Part of the series: Survey of the Bible.
Donald E. Curtis: 23. Esther - Irony and Providence  Part of the series: from the Creation to the Cross.
Mark Dever: Surprise – The Message of Esther  Capitol Hill Baptist Church.
Ray Stedman: Esther: A Queen Under Control [, , Translated] 1 lesson overview. Spanish translation available.
Bob Deffinbaugh: Esther: A Study of Divine Providence  6 part series.
Mark Driscoll: Esther Mars Hill Church.
Ray Stedman: Esther  10 lesson study. Peninsula Bible Church.
Sandra Glahn: 2. Esther's Story  Part of the series: Tell Me a Story.
Susie Hawkins: 1. The Setting of Esther  Part of the series: Esther, a Woman of Influence. 4 part series.
Jodi Hooper: Esther [, , Study Questions, Curriculum] 3 lessons.
Richard L. Strauss: 9. For Such a Time as This— The Story of Ahasuerus and Esther  Part of the series: Living in Love: Secrets from Bible Marriages.
Study Helps and related
Tom Constable: Tom Constable’s Expository Notes on Esther  This is also available in the Net.Bible.org Study Environment.
David Malick: An Introduction to the Book of Esther 
J. Hampton Keathley, III: 4. The Historical Books  A good introduction to and overview of the historical books of the Old Testament (Joshua, Judges-Ruth, 1 and 2 Samuel, 1 and 2 Kings, 1 and 2 Chronicles, Ezra, Nehemiah, Esther)