{
  "name": "SBS",
  "description": "Side by Side Level 7-8 vocabulary with language-agnostic format",
  "difficulty": "intermediate",
  "language": "en-US",
  "metadata": {
    "version": "1.0",
    "created": "2025-09-23",
    "updated": "2025-09-23",
    "source": "Side by Side English Learning Series",
    "target_level": "intermediate",
    "estimated_hours": 25,
    "prerequisites": ["basic-english"],
    "learning_objectives": [
      "Master intermediate vocabulary for daily situations",
      "Understand clothing and body parts terminology",
      "Learn emotional expressions and feelings",
      "Practice technology and social media vocabulary"
    ],
    "content_tags": ["vocabulary", "daily-life", "practical-english", "conversational"],
    "total_chapters": 12
  },
  "learning_paths": {
    "beginner": {
      "recommended_order": ["housing", "clothing", "body", "emotions"],
      "estimated_time": "12 hours"
    },
    "intermediate": {
      "recommended_order": ["housing", "clothing", "body", "emotions", "communication", "technology"],
      "estimated_time": "20 hours"
    },
    "advanced": {
      "recommended_order": ["emotions", "communication", "technology", "housing", "clothing", "body"],
      "estimated_time": "15 hours"
    }
  }
}