{
    "id": 443375,
    "slug": "is-het-licht-of-zwaar-lisa-amstutz",
    "nstc": null,
    "title": "Is het licht of zwaar?",
    "subtitle": null,
    "collection_title": null,
    "collection_part_number": null,
    "annotation": "Kleurrijk deel in de serie 'Onderzoek het materiaal' waarin ingegaan wordt op het gewicht van diverse materialen.",
    "description": "Een veer is licht. Een olifant is zwaar. Hoe komt dat? Een ballon is groter dan een golfbal, maar een golfbal weegt meer. Die is zwaarder. Waarom? Je leest het in dit boek vol weetjes over licht en zwaar. Is het boek uit, doe dan de licht-of-zwaar-test!",
    "additional_content": null,
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    "imprint": null,
    "language_code": "dut",
    "original_language_code": null,
    "page_count": 24,
    "duration_seconds": null,
    "publication_date_first": "2023-02-15",
    "publication_date_latest": "2023-02-15",
    "cover_url": null,
    "editions": [
        {
            "isbn": "9789464391633",
            "product_form": "BB"
        }
    ],
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    "rating_average": null,
    "ratings_distribution": {
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    "created_at": "2025-09-19T13:51:00+00:00",
    "updated_at": "2025-11-06T00:38:37+00:00",
    "publisher": {
        "id": 7012,
        "slug": "uitgeverij-ars-scribendi",
        "name": "Uitgeverij Ars Scribendi",
        "created_at": "2025-09-19T13:38:28+00:00",
        "updated_at": "2025-09-19T15:13:44+00:00"
    },
    "contributors": [
        {
            "id": 273831,
            "slug": "lisa-amstutz-2",
            "key_names": "Amstutz",
            "names_before_key": "Lisa",
            "prefix_to_key": null,
            "contributor_role": "A01",
            "readable_contributor_role": "Author"
        }
    ],
    "genres": [],
    "subjects": [
        {
            "scheme_identifier": "32",
            "scheme_version": null,
            "main_subject": false,
            "subject_code": "231",
            "created_at": "2025-09-19T13:51:00+00:00",
            "updated_at": "2025-09-19T13:51:00+00:00"
        }
    ],
    "tags": [],
    "campaigns": []
}