{"schema_version":"bf_book_companion_v1","release_id":"20260402T191500Z-bisacv2site-fullset","book":{"amazon_purchase_url":"https://www.amazon.com/dp/B09PL59M24?tag=bookfrontier-20","asin":"B09PL59M24","authors":["H. P. Lovecraft","Michael Troy","Bookstream Audiobooks","& 0 more"],"book_id":"9781609772604","canonical_url":"https://bookfrontier.com/books/9781609772604","cover_image_url":"https://img.bookfrontier.com/9781609772604.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T16%3A15%3A58Z","description":"H. P. Lovecraft was one of the greatest horror writers of all time. His seminal work appeared in the pages of legendary Weird Tales and has influenced countless writer of the macabre. This is one of those stories.","forthcoming":false,"isbn13":"9781609772604","publication_date":"20140203","publisher":"Start Publishing LLC","slug":"hypnos","subtitle":"","title":"Hypnos"},"discovery":{"categories":{"all":[{"bisac_code":"FIC027040","confidence_band":"medium","label":"Gothic Romance","score":0.7175,"source":"bisac_hint_model"},{"bisac_code":"FIC009070","confidence_band":"medium","label":"Dark Fantasy","score":0.7173,"source":"bisac_hint_model"},{"bisac_code":"FIC009040","confidence_band":"medium","label":"Fantasy Anthologies","score":0.7146,"source":"bisac_hint_model"}],"hint":[{"bisac_code":"FIC027040","confidence_band":"medium","label":"Gothic Romance","score":0.7175,"source":"bisac_hint_model"},{"bisac_code":"FIC009070","confidence_band":"medium","label":"Dark Fantasy","score":0.7173,"source":"bisac_hint_model"},{"bisac_code":"FIC009040","confidence_band":"medium","label":"Fantasy Anthologies","score":0.7146,"source":"bisac_hint_model"}],"publisher":[{"bisac_code":"FIC028080","confidence_band":"high","label":"Time Travel Fiction","score":1,"source":"onix_publisher_code"}]},"genres":[{"label":"Gothic Romance","score":0.7175,"slug":"gothic-romance"},{"label":"Dark Fantasy","score":0.7173,"slug":"dark-fantasy"},{"label":"Fantasy Anthologies","score":0.7146,"slug":"fantasy-anthologies"}],"reader_fit":["Good for readers who enjoy Gothic Romance","Good for readers interested in short stories","Good for fans of Horror"],"related_lists":[{"intro":"","slug":"shelf-fic009040-fantasy-collections-anthologies","title":"Fantasy Collections & Anthologies Books","url":"https://bookfrontier.com/lists/shelf-fic009040-fantasy-collections-anthologies"},{"intro":"","slug":"shelf-fic009070-dark-fantasy","title":"Dark Fantasy Books (fiction)","url":"https://bookfrontier.com/lists/shelf-fic009070-dark-fantasy"}],"series":null,"similar_books":[{"authors":["H. P. Lovecraft","Mike Vendetti","Spoken Realms","& 0 more"],"book_id":"9781609772550","cover_image_url":"https://img.bookfrontier.com/9781609772550.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T16%3A15%3A58Z","score":23.2715,"title":"Azathoth","url":"https://bookfrontier.com/books/9781609772550"},{"authors":["H. P. Lovecraft"],"book_id":"9781609772789","cover_image_url":"https://img.bookfrontier.com/9781609772789.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T16%3A15%3A58Z","score":23.2105,"title":"The Horror at Red Hook","url":"https://bookfrontier.com/books/9781609772789"},{"authors":["H. P. Lovecraft","Edward Herrmann","Blackstone Audio, Inc.","& 0 more"],"book_id":"9781609772505","cover_image_url":"https://img.bookfrontier.com/9781609772505.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T16%3A15%3A58Z","score":23.1815,"title":"At the Mountains of Madness","url":"https://bookfrontier.com/books/9781609772505"},{"authors":["H.P. Lovecraft"],"book_id":"9781609772567","cover_image_url":"https://img.bookfrontier.com/9781609772567.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T16%3A15%3A58Z","score":21.8957,"title":"Medusa's Coil","url":"https://bookfrontier.com/books/9781609772567"},{"authors":["H. P. Lovecraft"],"book_id":"9781609773168","cover_image_url":"https://img.bookfrontier.com/9781609773168.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T16%3A15%3A58Z","score":20.8183,"title":"The Silver Key","url":"https://bookfrontier.com/books/9781609773168"},{"authors":["Kevin Killavey","H. P. Lovecraft","Jimcin Recordings","& 0 more"],"book_id":"9781609772772","cover_image_url":"https://img.bookfrontier.com/9781609772772.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T16%3A15%3A58Z","score":18.497,"title":"Beyond the Wall of Sleep","url":"https://bookfrontier.com/books/9781609772772"},{"authors":["William Hope Hodgson"],"book_id":"9781597803700","cover_image_url":"https://img.bookfrontier.com/9781597803700.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T16%3A15%3A58Z","score":16.0532,"title":"The Collected Fiction of William Hope Hodgson: the Night Land & Other Romances","url":"https://bookfrontier.com/books/9781597803700"},{"authors":["Shane Hawk","Theodore C. Van Alst Jr.","Stephen Graham Jones","Norris Black"],"book_id":"9780593468463","cover_image_url":"https://img.bookfrontier.com/9780593468463.jpg?v=20260402T191500Z-bisacv2site-fullset%3A2026-04-05T16%3A15%3A58Z","score":15.9476,"title":"Never Whistle at Night","url":"https://bookfrontier.com/books/9780593468463"}],"topics":[{"evidence_refs":["keyword:mind control horror"],"label":"Horror","score":0.1082,"slug":"horror"},{"evidence_refs":["keyword:short weird classic"],"label":"Classic","score":0.0994,"slug":"classic"},{"evidence_refs":["phrase_map_match"],"label":"Short Stories","score":0.0624,"slug":"short-story"},{"evidence_refs":["keyword:ancient god horror"],"label":"Ancient","score":0.0562,"slug":"ancient"}],"what_you_get":["Themes: Horror, Short Stories, Ancient.","Reading lane: Gothic Romance and Dark Fantasy.","Publisher: Start Publishing LLC."]},"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":1489,"goodreads_reviews_count":119,"quality_score":0.91}}