{"schema_version":"bf_book_companion_v1","release_id":"20261010T034321Z-reviewed-full-unique-works","book":{"amazon_purchase_url":"https://www.amazon.com/dp/157091169X?tag=bookfrontie00-20","asin":"157091169X","authors":["Cindy Neuschwander"],"book_id":"9781570911699","canonical_url":"https://bookfrontier.com/books/sir-cumference-and-the-great-knight-of-angleland-9781570911699","cover_image_url":"https://img.bookfrontier.com/9781570911699.jpg?v=f0c95f321c847496","description":"Join Sir Cumference, Lady Di of Ameter, and their son Radius for wordplay, puns, and problem solving in this angle-packed math adventure. In the third installment of the beloved Sir Cumference series, Radius must prove himself on his quest for knighthood by rescuing a king. Sent off with the family medallion for luck, Radius dodges dangers and dragons. The ultimate challenge lies in a mysterious castle with a maze of many angles.","forthcoming":false,"isbn13":"9781570911699","publication_date":"20010201","publisher":"Charlesbridge","slug":"sir-cumference-and-the-great-knight-of-angleland","subtitle":"","title":"Sir Cumference and the Great Knight of Angleland"},"discovery":{"categories":{"all":[{"bisac_code":"JNF035050","confidence_band":"medium","label":"Geometry","score":0.7785,"source":"bisac_hint_model"},{"bisac_code":"JUV016070","confidence_band":"medium","label":"Medieval Tales","score":0.7297,"source":"bisac_hint_model"},{"bisac_code":"JNF035020","confidence_band":"medium","label":"Algebra for Kids","score":0.7138,"source":"bisac_hint_model"}],"hint":[{"bisac_code":"JNF035050","confidence_band":"medium","label":"Geometry","score":0.7785,"source":"bisac_hint_model"},{"bisac_code":"JUV016070","confidence_band":"medium","label":"Medieval Tales","score":0.7297,"source":"bisac_hint_model"},{"bisac_code":"JNF035020","confidence_band":"medium","label":"Algebra for Kids","score":0.7138,"source":"bisac_hint_model"}],"publisher":[{"bisac_code":"JNF002000","confidence_band":"high","label":"Adventure & Explorers","score":1,"source":"onix_publisher_code"},{"bisac_code":"JNF035000","confidence_band":"high","label":"Math","score":1,"source":"onix_publisher_code"},{"bisac_code":"JNF035050","confidence_band":"high","label":"Geometry","score":1,"source":"onix_publisher_code"}]},"genres":[{"label":"Geometry","score":0.7785,"slug":"geometry"},{"label":"Medieval Tales","score":0.7297,"slug":"medieval-tales"},{"label":"Algebra for Kids","score":0.7138,"slug":"algebra-for-kids"}],"reader_fit":["For readers who enjoy math adventures with wordplay and problem solving"],"related_lists":[],"series":null,"similar_books":[{"authors":["Cindy Neuschwander"],"book_id":"9781570917288","cover_image_url":"https://img.bookfrontier.com/9781570917288.jpg?v=7def6afb91e2ab5a","score":0.8268,"title":"Sir Cumference and All the King's Tens","url":"https://bookfrontier.com/books/9781570917288"},{"authors":["Cindy Neuschwander"],"book_id":"9781570917721","cover_image_url":"https://img.bookfrontier.com/9781570917721.jpg?v=0f623e12cfc69677","score":0.8197,"title":"Sir Cumference and the Fracton Faire","url":"https://bookfrontier.com/books/9781570917721"},{"authors":["Cindy Neuschwander"],"book_id":"9781570918452","cover_image_url":"https://img.bookfrontier.com/9781570918452.jpg?v=e80e58241a0556c2","score":0.7948,"title":"Sir Cumference Gets Decima's Point","url":"https://bookfrontier.com/books/9781570918452"},{"authors":["David A. Adler"],"book_id":"9780823444403","cover_image_url":"https://img.bookfrontier.com/9780823444403.jpg?v=62b3a9560ac9dfd2","score":0.7135,"title":"Squares, Rectangles, and Other Quadrilaterals","url":"https://bookfrontier.com/books/9780823444403"},{"authors":["Julie Ellis"],"book_id":"9781570911507","cover_image_url":"https://img.bookfrontier.com/9781570911507.jpg?v=52e1c368f94a7382","score":0.6856,"title":"What's Your Angle, Pythagoras?","url":"https://bookfrontier.com/books/9781570911507"},{"authors":["Stuart J. Murphy"],"book_id":"9780064467315","cover_image_url":"https://img.bookfrontier.com/9780064467315.jpg?v=f19507febfcbcaef","score":0.6852,"title":"Captain Invincible and the Space Shapes","url":"https://bookfrontier.com/books/9780064467315"},{"authors":["Dan Green"],"book_id":"9780753465974","cover_image_url":"https://img.bookfrontier.com/9780753465974.jpg?v=f36dd695d8bb17f2","score":0.6702,"title":"Basher Science: Algebra and Geometry","url":"https://bookfrontier.com/books/9780753465974"},{"authors":["Edward Eager"],"book_id":"9780544671713","cover_image_url":"https://img.bookfrontier.com/9780544671713.jpg?v=48108ad873d5eb15","score":0.6692,"title":"Knight's Castle","url":"https://bookfrontier.com/books/9780544671713"}],"topics":[{"evidence_refs":["keyword:study"],"label":"Study","score":0.0422,"slug":"study"},{"evidence_refs":["keyword:workbook"],"label":"Workbook","score":0.0272,"slug":"workbook"},{"evidence_refs":["keyword:stem books"],"label":"Stem","score":0.0255,"slug":"stem"},{"evidence_refs":["keyword:math"],"label":"Math","score":0.0244,"slug":"math"}],"what_you_get":["Themes: Angles and math problem-solving, Quest for knighthood.","Pacing: fast, momentum-driven storytelling.","Story elements: Quest to prove oneself, Maze challenge."]},"llm_signals":{"confidence":0.91,"pacing":"fast","reader_fit":["For readers who enjoy math adventures with wordplay and problem solving"],"themes":["Angles and math problem-solving","Quest for knighthood"],"tropes":["Quest to prove oneself","Maze challenge"]},"source_presence":{"amazon":true,"book_detail":true,"goodreads":true,"llm_signals":true,"similarity_seed":true},"stats":{"amazon_ratings_count":288,"goodreads_ratings_count":624,"goodreads_reviews_count":92,"quality_score":0.9207}}