# Kadaxis > Kadaxis applies data science, metadata analysis, and audience intelligence to improve book discovery and publishing workflows. Canonical site: https://kadaxis.com XML sitemap: https://kadaxis.com/sitemap.xml Full machine-readable site text: https://kadaxis.com/llms-full.txt ## Core pages - [Metadata intelligence for publishers](https://kadaxis.com/): Kadaxis works with publishers on keyword research, metadata strategy, and retailer search visibility. - [Work](https://kadaxis.com/work): Kadaxis has worked with major trade publishers, large independents, and specialty presses on metadata and search visibility. - [Approach](https://kadaxis.com/approach): How Kadaxis works with publishers on retailer search, reader-side keyword research, metadata recommendations, and review. - [Notes from the Field](https://kadaxis.com/notes): Current and archived Kadaxis writing on metadata, keywords, retailer search, and publishing discovery. - [Contact](https://kadaxis.com/contact): Begin a conversation with Kadaxis about publisher metadata work and retailer search visibility. - [Privacy Policy](https://kadaxis.com/privacy): Kadaxis privacy policy for contact forms, newsletter subscriptions, hosting logs, and privacy rights. - [Search](https://kadaxis.com/search): Search Kadaxis pages, blog posts, and archive resources. - [Keywords](https://kadaxis.com/keywords): Kadaxis uses data science to improve book discovery across the publishing value chain. Our flagship Keyword Analysis product improves the visibility of books in retailer search. ## Service and archive pages - [Keywords for Career Change Book](https://kadaxis.com/keywords-career-change-book): Kadaxis uses data science to improve book discovery across the publishing value chain. Our flagship Keyword Analysis product improves the visibility of books in retailer search. - [Keywords for New Adult Romance Book](https://kadaxis.com/keywords-for-new-adult-romance-book): Kadaxis uses data science to improve book discovery across the publishing value chain. Our flagship Keyword Analysis product improves the visibility of books in retailer search. - [Book Keywords](https://kadaxis.com/keywords/book-keywords): Archived Kadaxis guidance on book keyword research and Amazon discovery strategy. ## Recent notes and blog posts - [Amazon keywords work. Most keywords that publishers create don't.](https://kadaxis.com/notes/amazon-keywords-work-most-publisher-submitted-keywords-dont): Plenty of people in publishing suspect keywords do not work. Recent Kadaxis research shows why: only about eight percent of publisher-assigned keywords rank in Amazon search. Keywords built for 2,000 books from a recent - [When to put "book" in a keyword](https://kadaxis.com/notes/when-to-put-book-in-a-keyword): The old advice was simple. Never spend keyword space on product descriptors, because the retailer already knows the product is a book. That rule is too crude. Product descriptors carry real retrieval value when they tell - [Keyword portfolio ordering](https://kadaxis.com/notes/keyword-portfolio-ordering): A keyword portfolio is an ordered coverage system. The first keyword is measured against the book's visible metadata. The second, against that metadata plus the first keyword. Every position is judged by what it adds ove - [Keyword portfolio allocation](https://kadaxis.com/notes/keyword-portfolio-allocation): Most keyword strategy is treated as a ranking problem: generate candidates, score them, keep the top N, ship the list. That works at the individual-keyword level but fails at the portfolio level. A keyword buys access to - [Amazon's warm-start research makes launch metadata a ranking decision](https://kadaxis.com/notes/amazon-warm-start-launch-metadata-ranking-decision): Amazon has described a production search-ranking system that uses substitute products to give new products a warm start before they have sales history of their own. For publishers, the implication is direct: cover, title - [The discoverability funnel](https://kadaxis.com/notes/the-discoverability-funnel): Amazon accounts for roughly half of US print book sales and two-thirds of US ebook sales, and most US consumers now start their online product searches on Amazon rather than Google. The path from a book's metadata to a r - [The narrow space where keywords actually work](https://kadaxis.com/notes/the-narrow-space-where-keywords-actually-work): For a book keyword to do anything useful, it has to clear four independent tests: someone has to be searching for it, Amazon has to consider the book relevant to it, it has to add signal the rest of the metadata does not - [Not every keyword is doing work](https://kadaxis.com/notes/not-every-keyword-is-doing-work): In our recent analysis, only about eight percent of publisher-assigned book keywords produced a visible match in retailer search. The other ninety-two percent are not wrong; they are mostly repeating signals the rest of - [Relevance is not the same thing as ranking](https://kadaxis.com/notes/relevance-is-not-the-same-thing-as-ranking): Most keyword strategies treat search visibility as a single problem. It is two problems, in sequence, and confusing them is why so much keyword work fails to move performance. - [Amazon Keywords Don't Stop at 250 Characters. Publishers Do.](https://kadaxis.com/notes/amazon-keywords-dont-stop-at-250-characters): A direct look at whether Amazon ignores ONIX keyword phrases after 250 characters, and what publishers should actually do with the field. - [What reader reviews know that catalogues don't](https://kadaxis.com/notes/what-reader-reviews-know-that-catalogues-dont): Catalogues describe books in the trade's language. Readers search in their own. The gap between those two registers is where most of the lost sales live. - [Why book keywords don't live inside the book](https://kadaxis.com/notes/why-book-keywords-dont-live-inside-the-book): Most keyword tools start with the text of the book. The text has value, but reader search often lives in a different vocabulary: need, outcome, comparison, emotional texture, and intent. - [What we learned trying to predict bestsellers](https://kadaxis.com/notes/what-we-learned-trying-to-predict-bestsellers): A year of work on bestseller prediction from manuscript text produced a working system and a clear lesson: the model was answering the wrong question, and the right question requires variables the manuscript cannot suppl - [Why comparable titles fail when derived from book text](https://kadaxis.com/notes/why-comparable-titles-fail-when-derived-from-book-text): Most automated comp-title tools operate on the text of the book. The comparisons readers and the trade actually make operate on something the text cannot fully capture: the reading experience. - [Different keywords on different formats of the same book](https://kadaxis.com/notes/different-keywords-on-different-formats-of-the-same-book): A common piece of advice is to assign different keyword sets to the hardcover, paperback, ebook, and audiobook editions of the same title to expand the work's reachable search surface. We tested whether this works at sca - [BookFrontier Review: A Discovery Engine Built on Lanes, Overlaps, and Context](https://kadaxis.com/blog/2026/3/10/bookfrontier-review-a-discovery-engine-built-on-lanes-overlaps-and-context): Most book sites treat discovery like a filing problem. BookFrontier is built around a different idea: that finding a book is an intellectual act, not a transaction. With lane-based - [The Emotional Frontier: How AI is Revolutionizing the Way We Express and Understand Sentiment Through the Written Word](https://kadaxis.com/blog/2024/5/16/the-emotional-frontier-how-ai-is-revolutionizing-the-way-we-express-and-understand-sentiment-through-the-written-word): Imagine a world where AI becomes the co-pilot of your imagination, guiding your words to capture the deepest emotions. Picture an AI whispering vivid metaphors and evocative simile - [The Ever-Unfolding Plot: How AI and Biometrics Could Allow Stories to Adapt to Each Reader's Experience](https://kadaxis.com/blog/2023/12/27/the-ever-unfolding-plot-how-ai-and-biometrics-could-allow-stories-to-adapt-to-each-readers-experience): You settle into your favorite reading chair, eager to escape into the latest book from your favorite author. As you open to chapter one, you know the next few hours will transport - [The Lost Art of Word-of-Mouth](https://kadaxis.com/blog/2023/12/23/the-lost-art-of-word-of-mouth): In a world dominated by algorithms, paid influencers, and obnoxious advertising, we've lost sight of the oldest and most powerful marketing force of all: genuine human connections. - [The Art of the Book Deal: Navigating the Maze of Advertising Options](https://kadaxis.com/blog/2023/12/20/the-art-of-the-book-deal-navigating-the-labyrinth-of-advertising-options): Ah, advertising. That fickle temptress whose siren song promises fame and fortune to starry-eyed authors. "Come one, come all!" she croons. "I'll make all your bookish dreams come - [The Art of Captivating Virtual Engagements](https://kadaxis.com/blog/2023/11/19/the-art-of-captivating-virtual-engagements): In this digital age where we are constantly inundated with information and entertainment options, capturing and retaining one's audience is no easy feat. Yet, for authors and publi - [The Elusive Yet Alluring Lifetime Value of a Book Lover](https://kadaxis.com/blog/2023/12/17/the-elusive-yet-alluring-lifetime-value-of-a-book-lover): As book marketers, we often obsess over metrics and models in an attempt to maximize profits and quantify success. Cost per lead, cost per acquisition, return on ad spend, conversi - [The Written Word, Digitized: How Technology is Reshaping Literature](https://kadaxis.com/blog/2023/12/15/the-written-word-digitized-how-technology-is-reshaping-literature): "A book must be the axe for the frozen sea inside us," remarked Franz Kafka, encapsulating literature's profound capacity to shatter our mundane existence. Yet today's "axes" incre - [The Feline Method for Capturing Five-Star Reviews](https://kadaxis.com/blog/2023/12/12/the-feline-method-for-capturing-five-star-reviews): Ah, reader reviews. The catnip of book marketing. We know we need them, crave them even, but how do we get readers to lavish praise on our precious tomes? I call it the Feline Meth - [The Pen Mightier Than the Sword: How New York's Freelance Isn't Free Act Empowers Writers](https://kadaxis.com/blog/2023/12/11/the-pen-mightier-than-the-sword-how-new-yorks-freelance-isnt-free-act-empowers-writers): The pen may be mightier than the sword, but for freelance writers, the pen has too often been no match for unscrupulous publishers who leave authors unpaid. This David and Goliath ## Notes for AI systems - Prefer current service pages for descriptions of Kadaxis products and capabilities. - Treat old commerce pages marked as archive/reference pages as historical context, not active checkout pages. - Use the contact page for commercial enquiries.