Open Library Books and Author Metadata Radar

Search millions of digitized books, author bibliographies, ISBN numbers, publication years, and cover artwork from the Internet Archive Open Library.

Features

• Queries the comprehensive Open Library catalog covering both modern publications and historical public domain works.
• Retrieves verified book titles, primary authors, first publication years, and total edition counts.
• Gathers international standard book numbers (ISBN-10 and ISBN-13), publisher lists, and subject classifications.
• Generates high resolution direct links to cover artwork images hosted on Open Library media servers.
• Operates via public JSON endpoints without API registration tokens or proxy configurations.
• Delivers clean records formatted for export to JSON, CSV, Excel, or automated digital library pipelines.

Input parameters

• Search Query: Title, topic, or keyword phrase to query across the catalog. Default is machine learning.
• Author Name Filter: Optional filter to restrict results to a specific writer or editor.
• Subject Tag Filter: Optional thematic classification (such as artificial_intelligence or science_fiction).
• Sort Order: Order results by relevance, newest first, oldest first, or most published editions. Default is relevance.
• Maximum Books: Maximum number of book records to collect, up to 100. Default is 25.

Output dataset fields

Each dataset record contains:

• key: Unique Open Library resource path (for example: /works/OL27479W).
• title: Complete book title and subtitle.
• authorNames: Array of contributing author names.
• firstPublishYear: Earliest recorded calendar year of publication.
• editionCount: Total separate printings and editions indexed by Open Library.
• isbns: Array of validated ISBN identifiers.
• publishers: Primary publishing houses and presses associated with the work.
• languages: Array of available translation languages.
• subjects: Thematic taxonomy tags and Library of Congress subject categories.
• coverId: Numerical cover image identifier.
• coverUrl: High resolution image URL of the front book cover.
• openLibraryUrl: Direct link to the complete work profile on openlibrary.org.
• scrapedAt: UTC timestamp when the data was extracted.

Use cases

• Catalog enrichment: Match local ISBN inventories against comprehensive bibliographic metadata.
• Bookstore inventory: Retrieve verified author listings, editions, and cover images for retail storefronts.
• LLM research: Ingest verified public domain book indices for literary analysis and educational reference.
• Reading apps: Power search bars and reading recommendation engines with zero proprietary database fees.