{"sample":true,"note":"Static example of what /book/isbn returns; not live data and not charged. Call without sample=1 and pay $0.01 with any x402 client for a live result.","tool":"/book/isbn","price":"$0.01","example":{"isbn13":"9780140328721","isbn10":"0140328726","title":"Fantastic Mr. Fox","subtitle":null,"authors":["Roald Dahl"],"publishers":["Puffin"],"publishDate":"October 1, 1988","pages":96,"subjects":["Animals","Hunger"],"languages":["eng"],"cover":"https://covers.openlibrary.org/b/id/8739161-L.jpg","openLibraryUrl":"http://openlibrary.org/books/OL7353617M/Fantastic_Mr._Fox","otherIds":{"goodreads":"1507552","openlibrary":"OL7353617M"},"source":"Open Library (openlibrary.org), catalogue data CC0"}}