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Licensing the Lexile® Titles Database opens access to more than 470,000 hardcover, e-books, paperback, trade and other titles with Lexile measures from hundreds of publishers.

Library automation service providers, edtech and learning companies, software application developers, and publishers, booksellers and distributors integrate the Titles Database into their products, programs and services. By doing so, they give millions of students, families and teachers the information they’re looking for with the world’s most widely used reading metric – Lexile® measures.

The Lexile Titles Database is a growing collection of Lexile-measured English and Spanish ISBNs identifying books, book editions and book-like products from more than 600 publishers. Our Lexile® Find a Book tool is powered by the Titles Database and processes over a million searches each month to match books with students’ reading levels.

The Lexile Titles Database provides us with data needed to keep our content up to date and relevant, along with all the critical Lexile level information required by our teacher/partners. It’s an incredible value-add to our program and we really appreciate the customer-focused approach of the whole MetaMetrics team.Debra Marcionette, M.A. Ed., CTO, BookTaco

What does the Titles Database allow companies to do?

  • Populate book data, library records, website and catalogs with Lexile measures.
  • Create searches based on Lexile features and other bibliographic data.
  • Access the expanding database of ISBNs immediately after updates are made

How is the Titles Database accessed?

The Titles Database is offered as a CSV download or Application Programming Interface (API) for English and Spanish ISBN data. You can retrieve the entire database of Lexile measured ISBNs, get only the new results since your last query, or, with the API, get customized data by choosing filters reflecting your interests. 

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