{
  "schema_version": "ot_lite_book_index_v1",
  "generated_at": "2026-05-11T03:25:14Z",
  "testament": "Old Testament",
  "book": "Joel",
  "book_slug": "joel",
  "unit_count": 4,
  "html_url": "https://ai-bible-commentary.com/commentary/old-testament-lite/joel/",
  "json_url": "https://ai-bible-commentary.com/data/commentary/old-testament-lite/joel/index.json",
  "in_depth_book_url": "https://ai-bible-commentary.com/commentary/old-testament/joel/",
  "book_overview_url": "https://ai-bible-commentary.com/commentary/book-overviews/joel/",
  "summary": "Joel uses locust devastation and the day of the LORD to call for repentance and to promise Spirit-outpouring restoration.",
  "units": [
    {
      "custom_id": "JOL_001",
      "passage_ref": "Joel 1:1-20",
      "title": "The locust plague and lament",
      "main_point": "Joel 1 presents a devastating locust plague as a covenant calamity for Judah. The land is stripped bare, temple offerings are interrupted, and the whole community is summoned to lament, fast, and cry out to the LORD because the day of the LORD is near.",
      "html_url": "https://ai-bible-commentary.com/commentary/old-testament-lite/joel/jol_001/",
      "json_url": "https://ai-bible-commentary.com/data/commentary/old-testament-lite/joel/JOL_001.json",
      "in_depth_url": "https://ai-bible-commentary.com/commentary/old-testament/joel/JOL_001.html"
    },
    {
      "custom_id": "JOL_002",
      "passage_ref": "Joel 2:1-17",
      "title": "The day of Yahweh and the call to repentance",
      "main_point": "The day of Yahweh is near, and Judah must tremble before his holy judgment. Yet even in crisis, Yahweh calls his covenant people to return to him with whole hearts, because he is merciful, compassionate, slow to anger, and abounding in loyal love.",
      "html_url": "https://ai-bible-commentary.com/commentary/old-testament-lite/joel/jol_002/",
      "json_url": "https://ai-bible-commentary.com/data/commentary/old-testament-lite/joel/JOL_002.json",
      "in_depth_url": "https://ai-bible-commentary.com/commentary/old-testament/joel/JOL_002.html"
    },
    {
      "custom_id": "JOL_003",
      "passage_ref": "Joel 2:18-32",
      "title": "Restoration and the outpoured Spirit",
      "main_point": "The Lord answers his people’s repentance with covenant mercy: he restores the land, removes their shame, and makes himself known as the only God in Israel. He also promises a greater future outpouring of his Spirit and deliverance for all who call on his name before the great and terrible Day of the Lord.",
      "html_url": "https://ai-bible-commentary.com/commentary/old-testament-lite/joel/jol_003/",
      "json_url": "https://ai-bible-commentary.com/data/commentary/old-testament-lite/joel/JOL_003.json",
      "in_depth_url": "https://ai-bible-commentary.com/commentary/old-testament/joel/JOL_003.html"
    },
    {
      "custom_id": "JOL_004",
      "passage_ref": "Joel 3:1-21",
      "title": "The nations judged and Zion secure",
      "main_point": "Joel 3 announces that the Lord will gather the nations for judgment because of their violence against his people, his land, and his holy things. At the same time, he will vindicate Judah and Jerusalem, make Zion holy and secure, and dwell among his people.",
      "html_url": "https://ai-bible-commentary.com/commentary/old-testament-lite/joel/jol_004/",
      "json_url": "https://ai-bible-commentary.com/data/commentary/old-testament-lite/joel/JOL_004.json",
      "in_depth_url": "https://ai-bible-commentary.com/commentary/old-testament/joel/JOL_004.html"
    }
  ]
}