{"schema_version":"bf_book_companion_v1","release_id":"20260418T162306Z","book":{"amazon_purchase_url":"https://www.amazon.com/dp/B0D9P7WBHQ?tag=bookfrontier-20","asin":"B0D9P7WBHQ","authors":["Len Deighton"],"book_id":"9780802163196","canonical_url":"https://bookfrontier.com/books/spy-story-B0D9P7WBHQ","cover_image_url":"https://img.bookfrontier.com/9780802163196.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","description":"After six weeks in a nuclear submarine gathering computer data on Soviet activity, the mysterious, bespectacled spy known as Patrick Armstrong is desperate to return home. But when he arrives at his London flat, it appears to be occupied by someone who looks just like him - and he finds himself propelled into the heart of a conspiracy stretching from the remote Scottish highlands to the Arctic ice.","forthcoming":false,"isbn13":"9780802163196","publication_date":"20250822","publisher":"Grove/Atlantic","slug":"spy-story","subtitle":"A Harry Palmer Novel","title":"Spy Story"},"discovery":{"categories":{"all":[{"bisac_code":"FIC014090","confidence_band":"medium","label":"Post–World War II Fiction","score":0.7684,"source":"bisac_hint_model"},{"bisac_code":"FIC031020","confidence_band":"medium","label":"Historical Thrillers","score":0.7555,"source":"bisac_hint_model"},{"bisac_code":"FIC031060","confidence_band":"medium","label":"Political Thrillers","score":0.7516,"source":"bisac_hint_model"}],"hint":[{"bisac_code":"FIC014090","confidence_band":"medium","label":"Post–World War II Fiction","score":0.7684,"source":"bisac_hint_model"},{"bisac_code":"FIC031020","confidence_band":"medium","label":"Historical Thrillers","score":0.7555,"source":"bisac_hint_model"},{"bisac_code":"FIC031060","confidence_band":"medium","label":"Political Thrillers","score":0.7516,"source":"bisac_hint_model"}],"publisher":[{"bisac_code":"FIC006000","confidence_band":"high","label":"Spy Fiction","score":1,"source":"onix_publisher_code"},{"bisac_code":"FIC014090","confidence_band":"high","label":"Post–World War II Fiction","score":1,"source":"onix_publisher_code"},{"bisac_code":"FIC031020","confidence_band":"high","label":"Historical Thrillers","score":1,"source":"onix_publisher_code"}]},"genres":[{"label":"Post–World War II Fiction","score":0.7684,"slug":"post-world-war-ii-fiction"},{"label":"Historical Thrillers","score":0.7555,"slug":"historical-thrillers"},{"label":"Political Thrillers","score":0.7516,"slug":"political-thrillers"}],"reader_fit":["Good for readers who enjoy Post–World War II Fiction","Good for readers who enjoy Post–World War II Fiction and Historical Thrillers."],"related_lists":[],"series":null,"similar_books":[{"authors":["Len Deighton"],"book_id":"9780802163219","cover_image_url":"https://img.bookfrontier.com/9780802163219.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":18.2593,"title":"Twinkle, Twinkle, Little Spy","url":"https://bookfrontier.com/books/9780802163219"},{"authors":["Len Deighton"],"book_id":"9780802163172","cover_image_url":"https://img.bookfrontier.com/9780802163172.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":14.4911,"title":"Horse Under Water","url":"https://bookfrontier.com/books/9780802163172"},{"authors":["Steve Berry"],"book_id":"9781250140296","cover_image_url":"https://img.bookfrontier.com/9781250140296.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":9.1554,"title":"The Malta Exchange","url":"https://bookfrontier.com/books/9781250140296"},{"authors":["Steve Berry"],"book_id":"9781538770634","cover_image_url":"https://img.bookfrontier.com/9781538770634.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":9.1543,"title":"The Devil's Bible","url":"https://bookfrontier.com/books/9781538770634"},{"authors":["Katherine Reay"],"book_id":"9781400243068","cover_image_url":"https://img.bookfrontier.com/9781400243068.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":9.1231,"title":"The Berlin Letters","url":"https://bookfrontier.com/books/9781400243068"},{"authors":["Mick Herron"],"book_id":"9781641296007","cover_image_url":"https://img.bookfrontier.com/9781641296007.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":8.9511,"title":"The Secret Hours","url":"https://bookfrontier.com/books/9781641296007"},{"authors":["Carolyn G. Hart"],"book_id":"9781616147938","cover_image_url":"https://img.bookfrontier.com/9781616147938.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":8.8105,"title":"Escape From Paris","url":"https://bookfrontier.com/books/9781616147938"},{"authors":["Ben Macintyre"],"book_id":"9781101904213","cover_image_url":"https://img.bookfrontier.com/9781101904213.jpg?v=20260418T162306Z%3A2026-04-18T23%3A16%3A50Z","score":6.1197,"title":"The Spy and the Traitor","url":"https://bookfrontier.com/books/9781101904213"}],"topics":[],"what_you_get":["Reading lane: Post–world War Ii Fiction and Historical Thrillers.","Publisher: Grove/Atlantic."]},"llm_signals":null,"source_presence":{"amazon":true,"book_detail":true,"goodreads":true,"llm_signals":false,"similarity_seed":true},"stats":{"amazon_ratings_count":1010,"goodreads_ratings_count":5,"goodreads_reviews_count":0,"quality_score":0.8357}}