interface GuideBook title: string; edition: string; country: string; publisher: string; publicationYear: number; isbn13: string; coverUrl?: string; description?: string; amazonLink?: string; lpStoreLink?: string; googlePreview?: string; worldCatLink?: string;
// 1️⃣ Search Open Library GET https://openlibrary.org/search.json?q=lonely+planet+india+19th+edition lonely planet india 19th edition pdf
// Grab the first doc that matches: