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    "slug": "the-secret-of-secrets-dan-brown",
    "nstc": null,
    "title": "The Secret of Secrets",
    "subtitle": "A Novel",
    "collection_title": "Robert Langdon",
    "collection_part_number": "6",
    "annotation": null,
    "description": "<p>Robert Langdon, esteemed professor of symbology, travels to Prague to attend a groundbreaking lecture by Katherine Solomon&mdash;a prominent noetic scientist with whom he has recently begun a relationship. Katherine is on the verge of publishing an explosive book that contains startling discoveries about the nature of human consciousness and threatens to disrupt centuries of established belief. But a brutal murder catapults the trip into chaos, and Katherine suddenly disappears along with her manuscript. Langdon finds himself targeted by a powerful organization and hunted by a chilling assailant sprung from Prague&rsquo;s most ancient mythology. As the plot expands into London and New York, Langdon desperately searches for Katherine ... and for answers. In a thrilling race through the dual worlds of futuristic science and mystical lore, he uncovers a shocking truth about a secret project that will forever change the way we think about the human mind.</p>",
    "imprint": null,
    "language_code": "eng",
    "original_language_code": null,
    "page_count": 704,
    "duration_seconds": null,
    "publication_date_first": "2025-09-08",
    "publication_date_latest": "2025-09-30",
    "cover_url": null,
    "editions": [
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            "isbn": "9780385546898",
            "product_form": "BB"
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    "created_at": "2025-09-19T14:38:07+00:00",
    "updated_at": "2025-10-31T00:43:49+00:00",
    "publisher": {
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        "slug": "random-house-us-2",
        "name": "Random House US",
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    "contributors": [
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            "slug": "dan-brown-2",
            "key_names": "Brown",
            "names_before_key": "Dan",
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            "contributor_role": "A01",
            "readable_contributor_role": "Author"
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    ],
    "genres": [],
    "subjects": [
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