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After their thrilling European escapades rescuing Lucina van Helsing, Mary Jekyll and her friends return home to discover that their friend and kitchen maid Alice has vanished—and so has Mary's employer Sherlock Holmes! As they race to find Alice and bring her home safely, they discover that Alice and Sherlock’s kidnapping are only one small part of a plot that threatens Queen Victoria, and the very future of the British Empire. Can Mary, Diana, Beatrice, Catherine, and Justine save their friends—and save England? Find out in the final installment of the fantastic and memorable Extraordinary Adventures of the Athena Club series.","forthcoming":false,"isbn13":"9781534427877","publication_date":"20191001","publisher":"S&S/Saga Press","slug":"the-sinister-mystery-of-the-mesmerizing-girl","subtitle":"","title":"The Sinister Mystery of the Mesmerizing Girl"},"discovery":{"categories":{"all":[{"bisac_code":"FIC022060","confidence_band":"medium","label":"Historical Mystery","score":0.7936,"source":"bisac_hint_model"},{"bisac_code":"YAF019040","confidence_band":"medium","label":"Historical YA Fantasy","score":0.7829,"source":"bisac_hint_model"},{"bisac_code":"FIC009030","confidence_band":"medium","label":"Historical Fantasy","score":0.7807,"source":"bisac_hint_model"}],"hint":[{"bisac_code":"FIC022060","confidence_band":"medium","label":"Historical Mystery","score":0.7936,"source":"bisac_hint_model"},{"bisac_code":"YAF019040","confidence_band":"medium","label":"Historical YA Fantasy","score":0.7829,"source":"bisac_hint_model"},{"bisac_code":"FIC009030","confidence_band":"medium","label":"Historical Fantasy","score":0.7807,"source":"bisac_hint_model"}],"publisher":[{"bisac_code":"FIC009000","confidence_band":"high","label":"Fantasy","score":1,"source":"onix_publisher_code"},{"bisac_code":"FIC014000","confidence_band":"high","label":"Historical Fiction","score":1,"source":"onix_publisher_code"},{"bisac_code":"FIC022040","confidence_band":"high","label":"Women Detectives","score":1,"source":"onix_publisher_code"}]},"genres":[{"label":"Historical Mystery","score":0.7936,"slug":"historical-mystery"},{"label":"Historical YA Fantasy","score":0.7829,"slug":"historical-ya-fantasy"},{"label":"Historical Fantasy","score":0.7807,"slug":"historical-fantasy"}],"reader_fit":["Readers who enjoy ensemble adventures with urgent rescues and political intrigue"],"related_lists":[],"series":null,"similar_books":[{"authors":["Theodora Goss"],"book_id":"9781481466509","cover_image_url":"https://img.bookfrontier.com/9781481466509.jpg?v=2e209ba5e3e13635","score":0.7582,"title":"The Strange Case of the Alchemist's Daughter","url":"https://bookfrontier.com/books/9781481466509"},{"authors":["Susan Dennard"],"book_id":"9780062083326","cover_image_url":"https://img.bookfrontier.com/9780062083326.jpg?v=87895e9cde61ad0e","score":0.7459,"title":"Strange and Ever After","url":"https://bookfrontier.com/books/9780062083326"},{"authors":["Alex Michaelides"],"book_id":"9781250304469","cover_image_url":"https://img.bookfrontier.com/9781250304469.jpg?v=2ff9a4ab32096b65","score":0.7333,"title":"The Maidens","url":"https://bookfrontier.com/books/9781250304469"},{"authors":["Julie Berry"],"book_id":"9781534470811","cover_image_url":"https://img.bookfrontier.com/9781534470811.jpg?v=0b943b5fd1f60c10","score":0.7313,"title":"If Looks Could Kill","url":"https://bookfrontier.com/books/9781534470811"},{"authors":["Deanna Raybourn"],"book_id":"9780369701343","cover_image_url":"https://img.bookfrontier.com/9780369701343.jpg?v=b264ec240393a716","score":0.7216,"title":"The Dark Enquiry","url":"https://bookfrontier.com/books/9780369701343"},{"authors":["Kate Quinn"],"book_id":"9780063244801","cover_image_url":"https://img.bookfrontier.com/9780063244801.jpg?v=6ada99507fb7d4c1","score":0.7208,"title":"The Astral Library","url":"https://bookfrontier.com/books/9780063244801"},{"authors":["Bradley Harper"],"book_id":"9781645060079","cover_image_url":"https://img.bookfrontier.com/9781645060079.jpg?v=aa860c469d766bc4","score":0.7193,"title":"Queen's Gambit","url":"https://bookfrontier.com/books/9781645060079"},{"authors":["Megan Whalen Turner"],"book_id":"9780062642998","cover_image_url":"https://img.bookfrontier.com/9780062642998.jpg?v=1d34f7699288d9fb","score":0.7173,"title":"A Conspiracy of Kings","url":"https://bookfrontier.com/books/9780062642998"}],"topics":[{"evidence_refs":["keyword:fantasy"],"label":"Fantasy","score":0.1342,"slug":"fantasy"},{"evidence_refs":["keyword:historical"],"label":"Historical","score":0.1137,"slug":"historical"},{"evidence_refs":["keyword:adventure"],"label":"Adventure","score":0.0897,"slug":"adventure"},{"evidence_refs":["keyword:action"],"label":"Action","score":0.0371,"slug":"action"}],"what_you_get":["Themes: Friendship and rescue, Political conspiracy, Adventure.","Pacing: fast, momentum-driven storytelling.","Story elements: Kidnapped-friend rescue, Plot against the queen."]},"llm_signals":{"confidence":0.92,"pacing":"fast","reader_fit":["Readers who enjoy ensemble adventures with urgent rescues and political intrigue"],"themes":["Friendship and rescue","Political conspiracy","Adventure"],"tropes":["Kidnapped-friend rescue","Plot against the queen"]},"source_presence":{"amazon":true,"book_detail":true,"goodreads":true,"llm_signals":true,"similarity_seed":true},"stats":{"amazon_ratings_count":0,"goodreads_ratings_count":6472,"goodreads_reviews_count":755,"quality_score":0.9435}}