diff --git a/book.json b/book.json
index 75b66a1df..b6cd45bac 100644
--- a/book.json
+++ b/book.json
@@ -33,7 +33,8 @@
         "theme-default",
         "-highlight", "prism", "prism-themes",
         "sitemap-general",
-        "lightbox"
+        "lightbox",
+        "adsense"
     ],
     "pluginsConfig": {
         "theme-default": {
@@ -73,6 +74,13 @@
         },
         "sitemap-general": {
             "prefix": "https://jimmysong.io/kubernetes-handbook/"
+        },
+        "adsense": {
+            "client": "ca-pub-4029167986768912",
+            "slot": "2445941692",
+            "format": "auto",
+            "element": ".page-inner section",
+            "position": "bottom"
         }
     }
 }
diff --git a/images/close.png b/images/close.png
new file mode 100644
index 000000000..1cdac9e22
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diff --git a/images/loading.gif b/images/loading.gif
new file mode 100644
index 000000000..8413cd907
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diff --git a/images/next.png b/images/next.png
new file mode 100644
index 000000000..605a6ca83
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diff --git a/images/prev.png b/images/prev.png
new file mode 100644
index 000000000..317618213
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diff --git a/images/prometheus-architecture.jpg b/images/prometheus-architecture.jpg
deleted file mode 100644
index e1ce56756..000000000
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