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Open Graph metadata

book:author

Links a book to an author profile. The value is a URL, and you can repeat the property for multiple authors.

Code examples

Good example
<meta property="book:author" content="https://example.com/authors/margaret-atwood">
Points to the author’s profile page.
Good example
<meta property="book:author" content="https://example.com/authors/octavia-butler">
Another valid profile URL.
Avoid this example
<meta property="book:author" content="Margaret Atwood">
A plain name is not the profile URL expected by the protocol.
Avoid this example
<meta property="book:author" content="">
An empty value identifies no author.

Recommendations

  • 01
    Link to a Profile
    Use the canonical URL of a page that describes the author. Open Graph defines this value as a profile object, not a name.
  • 02
    Repeat for Coauthors
    Add one book:author property per author.
  • 03
    Use a Stable URL
    Prefer a permanent author page over a search result or temporary campaign URL.

Related documentation

Related meta tags

book:author

property

Links a book to an author profile. The value is a URL, and you can repeat the property for multiple authors.

<meta property="book:author" content="https://example.com/authors/margaret-atwood">
Points to the author’s profile page.

book:isbn

property

Provides the book’s International Standard Book Number as a string.

<meta property="book:isbn" content="9783161484100">
A valid ISBN-13 written without display separators.

book:release_date

property

Records when a book was released. Open Graph defines the value as an ISO 8601 datetime.

<meta property="book:release_date" content="2026-07-04">
An ISO 8601 calendar date when no exact release time is needed.

book:tag

property

Adds a tag word or phrase associated with a book. Repeat the property to provide more than one tag.

<meta property="book:tag" content="Science Fiction">
A clear genre for the book.