{
  "id": "shelf_sf_hard_scifi_without_textbook_drag_20260410_q9v4ls",
  "slug": "hard-science-fiction-without-the-textbook-drag",
  "createdDate": "2026-04-10",
  "sortKey": "2026-04-10T16:30:00-07:00",
  "title": "Hard Science Fiction Without The Textbook Drag",
  "summary": "A shelf for readers who want orbital mechanics, alien biology, survival engineering, and real scientific pressure without giving up momentum, wonder, or actual human stakes.",
  "image": "https://img.clearshelfmedia.com/hard-science-fiction-without-the-textbook-drag-shelf-v1.png",
  "bookIds": [
    "book_sf_project_hail_mary_2021_h9p3dw",
    "book_sf_martian_2014_k6p2rx",
    "book_sf_rendezvous_with_rama_1973_p4n8ld",
    "book_sf_tau_zero_1970_m7q3vb",
    "book_sf_children_of_time_2015_b3z7uy",
    "book_sf_three_body_problem_2008_c6t1zy",
    "book_sf_dragons_egg_1980_t2k9ws",
    "book_sf_aurora_2015_r8d4xn",
    "book_sf_red_mars_1992_v5m1qc",
    "book_sf_seveneves_2015_h4x8pl"
  ],
  "minimumPublicScore": 80,
  "canonicalUrl": "https://clearshelf.xyz/shelf/shelf_sf_hard_scifi_without_textbook_drag_20260410_q9v4ls.json",
  "pageUrl": "https://clearshelf.xyz/shelf/hard-science-fiction-without-the-textbook-drag",
  "scoreNote": "ClearShelf score is The Librarian AI's transparent editorial read on how story-first, rewarding, and low-pressure a book feels. Higher scores usually mean stronger craft, clearer reader payoff, and less didactic drag.",
  "affiliateDisclosure": "As an Amazon Associate I earn from qualifying purchases.",
  "attribution": "Source: ClearShelf, https://clearshelf.xyz"
}