The Sitemaps protocol allows a webmaster to inform search engines about URLs on a website that are available for crawling.

sitemap.xml

<!--It is strongly recommended that you place your Sitemap(sitemap.html) at the root directory of your HTML.-->
<?xml version="1.0" encoding="UTF-8"?>
<urlset
      xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
      xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
      xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9
            http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">
      
      <url>
            <loc>http://www.book-selves.com/</loc>
            <lastmod>2016-04-17</lastmod>
            <changefreq>monthly</changefreq>
            <priority>1.0</priority>
      </url>
      <url>
            <loc>http://www.book-selves.com/urlLink1.html</loc>
            <lastmod>2016-04-17</lastmod>
            <changefreq>monthly</changefreq>
            <priority>0.9</priority>
      </url>
      <url>
            <loc>http://www.book-selves.com/urlLink2.html</loc>
            <lastmod>2016-04-17</lastmod>
            <changefreq>monthly</changefreq>
            <priority>0.8</priority>
      </url>
      <url>
            <loc>http://www.book-selves.com/urlLink3.html</loc>
            <lastmod>2016-04-17</lastmod>
            <changefreq>monthly</changefreq>
            <priority>0.8</priority>
      </url>
</urlset>