[
  { "id": "introduction", "title": "Introduction to Uyghur", "file": "01-introduction.json" },
  { "id": "phonology", "title": "Phonology & Vowel Harmony", "file": "02-phonology.json" },
  { "id": "nouns", "title": "Nouns: Cases, Number & Possession", "file": "03-nouns.json" },
  { "id": "pronouns", "title": "Pronouns", "file": "04-pronouns.json" },
  { "id": "verbs", "title": "Verbs: Tenses, Aspects & Moods", "file": "05-verbs.json" },
  { "id": "verbs-advanced", "title": "Verbs: Voice, Converbs & Compounds", "file": "06-verbs-advanced.json" },
  { "id": "modifiers", "title": "Adjectives, Adverbs, Numerals & Postpositions", "file": "07-modifiers.json" },
  { "id": "syntax", "title": "Sentence Structure & Word Formation", "file": "08-syntax.json" }
]