Before getting into Gideon's story, one should have a broad understanding of Judges.
Other Resources:
https://eyewitnessbible.org/promised-land/too-many/#
https://www.gotquestions.org/life-Gideon.html
https://www.learnreligions.com/gideon-the-reluctant-warrior-701151
https://biblehub.com/topical/g/gideon.htm