diff --git a/_output.yml b/_output.yml
index 37d3f52a..4abb75f3 100644
--- a/_output.yml
+++ b/_output.yml
@@ -2,8 +2,8 @@ bookdown::gitbook:
   css: assets/style.css
   includes:
     before_body: assets/big-image.html
-    after_body: assets/footer.html
-  highlight: tango
+    after_body: [assets/footer.html, assets/open-new-tab.html]
+    highlight: tango
   config:
     toc:
       collapse: section
diff --git a/assets/open-new-tab.html b/assets/open-new-tab.html
new file mode 100644
index 00000000..2f93db47
--- /dev/null
+++ b/assets/open-new-tab.html
@@ -0,0 +1,9 @@
+<script>
+  var links = document.getElementsByTagName('a');
+  var len = links.length;
+
+  for(var i=0; i<len; i++)
+  {
+    links[i].target = "_blank";
+  }
+</script>
\ No newline at end of file