{"schema_version":"bf_book_companion_v1","release_id":"20260427T063506Z","book":{"amazon_purchase_url":"https://www.amazon.com/dp/1785768379?tag=bookfrontier-20","asin":"1785768379","authors":["Maria Adolfsson"],"book_id":"9781785768378","canonical_url":"https://bookfrontier.com/books/fatal-isles-1785768379","cover_image_url":"https://img.bookfrontier.com/9781785768378.jpg?v=20260427T063506Z%3A2026-04-27T10%3A13%3A17Z","description":"A remote island. A brutal murder. A secret hidden in the past . . . In the middle of the North Sea, between the UK and Denmark, lies the beautiful and rugged island nation of Doggerland. Detective Inspector Karen Eiken Hornby has returned to the main island, Heimö , after many years in London and has worked hard to become one of the few female police officers in Doggerland. So, when she wakes up in a hotel room next to her boss, Jounas Smeed, she knows she's made a big mistake. But things are about to get worse: later that day, Jounas's ex-wife is found brutally murdered. And Karen is the only one who can give him an alibi. The news sends shockwaves through the tight-knit island community, and with no leads and no obvious motive for the murder, Karen struggles to find the killer in a race against time. Soon she starts to suspect that the truth might lie in Doggerland's history. And the deeper she digs, the clearer it becomes that even small islands can hide deadly secrets . . .","forthcoming":false,"isbn13":"9781785768378","publication_date":"20210218","publisher":"Bonnier Books UK","slug":"fatal-isles","subtitle":"","title":"Fatal Isles"},"discovery":{"categories":{"all":[{"bisac_code":"FIC022080","confidence_band":"medium","label":"International Crime Fiction","score":0.7864,"source":"bisac_hint_model"},{"bisac_code":"FIC022100","confidence_band":"medium","label":"Amateur Sleuths","score":0.7791,"source":"bisac_hint_model"},{"bisac_code":"FIC022020","confidence_band":"medium","label":"Police Procedurals","score":0.7778,"source":"bisac_hint_model"}],"hint":[{"bisac_code":"FIC022080","confidence_band":"medium","label":"International Crime Fiction","score":0.7864,"source":"bisac_hint_model"},{"bisac_code":"FIC022100","confidence_band":"medium","label":"Amateur Sleuths","score":0.7791,"source":"bisac_hint_model"},{"bisac_code":"FIC022020","confidence_band":"medium","label":"Police Procedurals","score":0.7778,"source":"bisac_hint_model"}],"publisher":[{"bisac_code":"FIC022080","confidence_band":"high","label":"International Crime Fiction","score":1,"source":"onix_publisher_code"}]},"genres":[{"label":"International Crime Fiction","score":0.7864,"slug":"international-crime-fiction"},{"label":"Amateur Sleuths","score":0.7791,"slug":"amateur-sleuths"},{"label":"Police Procedurals","score":0.7778,"slug":"police-procedurals"}],"reader_fit":["Good for fans of police procedurals set in remote or insular communities","Readers who enjoy mysteries involving historical secrets"],"related_lists":[],"series":null,"similar_books":[{"authors":["Jørn Lier Horst"],"book_id":"9781668076095","cover_image_url":"https://img.bookfrontier.com/9781668076095.jpg?v=20260427T063506Z%3A2026-04-27T10%3A13%3A17Z","score":13.5064,"title":"The Cabin","url":"https://bookfrontier.com/books/9781668076095"},{"authors":["Tony Roberts","Stuart Woods","Penguin Audio","& 0 more"],"book_id":"9780451218704","cover_image_url":"https://img.bookfrontier.com/9780451218704.jpg?v=20260427T063506Z%3A2026-04-27T10%3A13%3A17Z","score":13.4888,"title":"Dark Harbor","url":"https://bookfrontier.com/books/9780451218704"},{"authors":["Arnaldur Indridason","Arnaldur Indriðason"],"book_id":"9781250138170","cover_image_url":"https://img.bookfrontier.com/9781250138170.jpg?v=20260427T063506Z%3A2026-04-27T10%3A13%3A17Z","score":13.4826,"title":"The Shadow District","url":"https://bookfrontier.com/books/9781250138170"},{"authors":["Christoffer Carlsson","Rachel Willson-Broyles"],"book_id":"9780593733059","cover_image_url":"https://img.bookfrontier.com/9780593733059.jpg?v=20260427T063506Z%3A2026-04-27T10%3A13%3A17Z","score":13.4755,"title":"The Living and the Dead","url":"https://bookfrontier.com/books/9780593733059"},{"authors":["Sherry Rankin","Traci Odom","Brilliance Audio","& 0 more"],"book_id":"9781662521157","cover_image_url":"https://img.bookfrontier.com/9781662521157.jpg?v=20260427T063506Z%3A2026-04-27T10%3A13%3A17Z","score":13.4668,"title":"The Killing Plains","url":"https://bookfrontier.com/books/9781662521157"},{"authors":["Val McDermid"],"book_id":"9780061688997","cover_image_url":"https://img.bookfrontier.com/9780061688997.jpg?v=20260427T063506Z%3A2026-04-27T10%3A13%3A17Z","score":13.4494,"title":"A Darker Domain","url":"https://bookfrontier.com/books/9780061688997"},{"authors":["Michael Connelly"],"book_id":"9780316607308","cover_image_url":"https://img.bookfrontier.com/9780316607308.jpg?v=20260427T063506Z%3A2026-04-27T10%3A13%3A17Z","score":13.4456,"title":"Ironwood","url":"https://bookfrontier.com/books/9780316607308"},{"authors":["William Kent Krueger","David Chandler","Recorded Books","& 0 more"],"book_id":"9781982179304","cover_image_url":"https://img.bookfrontier.com/9781982179304.jpg?v=20260427T063506Z%3A2026-04-27T10%3A13%3A17Z","score":13.4044,"title":"Apostle's Cove","url":"https://bookfrontier.com/books/9781982179304"}],"topics":[],"what_you_get":["Themes: murder investigation, small community secrets, female detective.","Pacing: steady blend of plot and character.","Story elements: brutal murder, secret in the past, tight-knit community."]},"llm_signals":{"confidence":0.9,"pacing":"steady","reader_fit":["Fans of police procedurals set in remote or insular communities","Readers who enjoy mysteries involving historical secrets"],"themes":["murder investigation","small community secrets","female detective"],"tropes":["brutal murder","secret in the past","tight-knit community"]},"source_presence":{"amazon":true,"book_detail":true,"goodreads":true,"llm_signals":true,"similarity_seed":true},"stats":{"amazon_ratings_count":0,"goodreads_ratings_count":5449,"goodreads_reviews_count":448,"quality_score":0.9356}}