{
  "@context": "https://schema.org",
  "@type": "Book",
  "id": "btbb-general-science-8-en",
  "board": "BTBB",
  "boardName": "Balochistan",
  "boardFull": "Balochistan Textbook Board, Quetta",
  "class": "8",
  "classSort": 8,
  "subject": "General Science",
  "medium": "English",
  "pages": 224,
  "sizeMB": 92.3,
  "textTier": "scanned",
  "producer": "GPL Ghostscript 10.05.1",
  "file": "btbb-balochistan/class-8/general-science-8-en.pdf",
  "year": null,
  "acquired": "2026-08-23",
  "sha256": "de04860aa8348c96c3706bf6a4a505db6362e181f27eae6eb407fc0844a1a1a8",
  "title": "General Science - Grade 8",
  "sourceUrl": "https://drive.usercontent.google.com/download?id=10PMymTgHGhcCugF8J_9oGtxC8HUjLaIe&export=download",
  "scores": {
    "A1": 1,
    "A3": 4,
    "A7": 3
  },
  "evidence": [
    {
      "id": "e01",
      "lens": "religion",
      "axis": "A1",
      "score": 1,
      "kind": "observation",
      "page": null,
      "pageBasis": "PDF page index",
      "tier": "english-ocr",
      "text": "0.1/1k across 48,820 words — the largest science book in the Balochistan set and effectively secular."
    },
    {
      "id": "e02",
      "lens": "history",
      "axis": "A3",
      "score": 4,
      "kind": "absence",
      "page": null,
      "pageBasis": "PDF page index",
      "tier": "english-ocr",
      "text": "Zero evaluation verbs across 48,820 words — recall only."
    },
    {
      "id": "e03",
      "lens": "gender",
      "axis": "A7",
      "score": 3,
      "kind": "observation",
      "page": null,
      "pageBasis": "PDF page index",
      "tier": "english-ocr",
      "text": "Ratio 1.30 — anomalously high for a science book in this corpus."
    }
  ],
  "curriculum": "National Curriculum 2022-23",
  "edition": "NC 2022-23 pilot",
  "editionNote": "Front matter: 'developed ... based on National Curriculum of Pakistan 2022-23 and is being printed as Pilot Edition for a period of one academic year'",
  "note": null,
  "_license": "CC BY 4.0 — attribute to the Textbook Evidence Project.",
  "_note": "Scores are measured properties of text, not verdicts. Read /method/ before using them.",
  "_canonical": "/books/btbb-general-science-8-en/"
}