{"schema_version":"bf_book_companion_v1","release_id":"20260402T191500Z-bisacv2site-fullset","book":{"amazon_purchase_url":"https://www.amazon.com/dp/B004SQWYMO?tag=bookfrontier-20","asin":"B004SQWYMO","authors":["Poul Anderson"],"book_id":"9798880911219","canonical_url":"https://bookfrontier.com/books/9798880911219","cover_image_url":"https://img.bookfrontier.com/9798880911219.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T10%3A13%3A18Z","description":"Set in a dystopian future where America has become a Police state \"Security\" shows us just how important our freedoms and rights are. A mesmerizing cautionary tale from one of the best writers science fiction ever produced..","forthcoming":false,"isbn13":"9798880911219","publication_date":"20240515","publisher":"Start Publishing PD","slug":"security","subtitle":"Kindle Edition","title":"Security"},"discovery":{"categories":{"all":[{"bisac_code":"FIC028020","confidence_band":"medium","label":"Hard Sci-Fi","score":0.7682,"source":"bisac_hint_model"},{"bisac_code":"FIC028010","confidence_band":"medium","label":"Sci-Fi Adventure","score":0.7577,"source":"bisac_hint_model"},{"bisac_code":"FIC028030","confidence_band":"medium","label":"Space Opera","score":0.7563,"source":"bisac_hint_model"}],"hint":[{"bisac_code":"FIC028020","confidence_band":"medium","label":"Hard Sci-Fi","score":0.7682,"source":"bisac_hint_model"},{"bisac_code":"FIC028010","confidence_band":"medium","label":"Sci-Fi Adventure","score":0.7577,"source":"bisac_hint_model"},{"bisac_code":"FIC028030","confidence_band":"medium","label":"Space Opera","score":0.7563,"source":"bisac_hint_model"}],"publisher":[{"bisac_code":"FIC004000","confidence_band":"high","label":"The Classics","score":1,"source":"onix_publisher_code"},{"bisac_code":"FIC028000","confidence_band":"high","label":"Sci-Fi","score":1,"source":"onix_publisher_code"},{"bisac_code":"FIC028010","confidence_band":"high","label":"Sci-Fi Adventure","score":1,"source":"onix_publisher_code"}]},"genres":[{"label":"Hard Sci-Fi","score":0.7682,"slug":"hard-sci-fi"},{"label":"Sci-Fi Adventure","score":0.7577,"slug":"sci-fi-adventure"},{"label":"Space Opera","score":0.7563,"slug":"space-opera"}],"reader_fit":["Good for readers who enjoy Hard Sci-Fi","Good for readers interested in short stories","Good for fans of Science Fiction"],"related_lists":[{"intro":"Books built from stories that land quickly, then linger.","slug":"how-its-told-short-story-collections","title":"Short Story Collections","url":"https://bookfrontier.com/lists/how-its-told-short-story-collections"},{"intro":"","slug":"shelf-fic028030-science-fiction-space-opera","title":"Science Fiction Space Opera Books (fiction)","url":"https://bookfrontier.com/lists/shelf-fic028030-science-fiction-space-opera"},{"intro":"","slug":"shelf-fic028010-science-fiction-action-adventure","title":"Science Fiction Action & Adventure Books","url":"https://bookfrontier.com/lists/shelf-fic028010-science-fiction-action-adventure"},{"intro":"","slug":"shelf-fic028020-hard-science-fiction","title":"Hard Science Fiction Books","url":"https://bookfrontier.com/lists/shelf-fic028020-hard-science-fiction"}],"series":null,"similar_books":[{"authors":["Poul Anderson"],"book_id":"9798880920815","cover_image_url":"https://img.bookfrontier.com/9798880920815.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T10%3A13%3A18Z","score":19.1134,"title":"Sensitive Man","url":"https://bookfrontier.com/books/9798880920815"},{"authors":["Poul Anderson","Herman B Vestal"],"book_id":"9781682995570","cover_image_url":"https://img.bookfrontier.com/9781682995570.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T10%3A13%3A18Z","score":18.8849,"title":"Lord of a Thousand Suns","url":"https://bookfrontier.com/books/9781682995570"},{"authors":["Robert Sheckley"],"book_id":"9781682999301","cover_image_url":"https://img.bookfrontier.com/9781682999301.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T10%3A13%3A18Z","score":14.8746,"title":"The Hour of Battle","url":"https://bookfrontier.com/books/9781682999301"},{"authors":["H. Beam Piper"],"book_id":"9781682999264","cover_image_url":"https://img.bookfrontier.com/9781682999264.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T10%3A13%3A18Z","score":14.8113,"title":"The Answer","url":"https://bookfrontier.com/books/9781682999264"},{"authors":["H. Beam Piper"],"book_id":"9781649741936","cover_image_url":"https://img.bookfrontier.com/9781649741936.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T10%3A13%3A18Z","score":14.8108,"title":"Omnilingual","url":"https://bookfrontier.com/books/9781649741936"},{"authors":["Clifford D. Simak"],"book_id":"9781627930130","cover_image_url":"https://img.bookfrontier.com/9781627930130.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T10%3A13%3A18Z","score":14.7828,"title":"Project Mastodon","url":"https://bookfrontier.com/books/9781627930130"},{"authors":["Philip K. Dick"],"book_id":"9781681463667","cover_image_url":"https://img.bookfrontier.com/9781681463667.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T10%3A13%3A18Z","score":14.7822,"title":"Second Variety","url":"https://bookfrontier.com/books/9781681463667"},{"authors":["Keith Laumer"],"book_id":"9781625587329","cover_image_url":"https://img.bookfrontier.com/9781625587329.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T10%3A13%3A18Z","score":14.7652,"title":"Greylorn","url":"https://bookfrontier.com/books/9781625587329"}],"topics":[{"evidence_refs":["keyword:historical grammar analysis"],"label":"Historical","score":0.3003,"slug":"historical"},{"evidence_refs":["keyword:language family classifications"],"label":"Family","score":0.162,"slug":"family"},{"evidence_refs":["keyword:areal linguistics studies"],"label":"Studies","score":0.079,"slug":"studies"},{"evidence_refs":["phrase_map_match"],"label":"Short Stories","score":0.0624,"slug":"short-story"}],"what_you_get":["Themes: Historical, Family, Studies.","Reading lane: Hard Sci Fi and Sci Fi Adventure.","Publisher: Start Publishing PD."]},"llm_signals":null,"source_presence":{"amazon":true,"book_detail":true,"goodreads":true,"llm_signals":false,"similarity_seed":true},"stats":{"amazon_ratings_count":0,"goodreads_ratings_count":162,"goodreads_reviews_count":20,"quality_score":0.8728}}