diff --git a/README.md b/README.md
index 8c1530354..f7cecc579 100644
--- a/README.md
+++ b/README.md
@@ -92,6 +92,11 @@ Here are the options that can be stored in this file:
         "issues": null,
         "contribute": null,
 
+	// Custom links at top of sidebar
+	"custom": {
+	    "Custom link name": "https://customlink.com"
+	},	    	
+
         // Sharing links
         "sharing": {
             "google": null,
diff --git a/theme/templates/includes/book/summary.html b/theme/templates/includes/book/summary.html
index 8dfdb701b..8014d7ee1 100644
--- a/theme/templates/includes/book/summary.html
+++ b/theme/templates/includes/book/summary.html
@@ -59,6 +59,15 @@
         </li>
         {% endif %}
 
+	{% if options.links.custom %}
+	{% for link in options.links.custom %}
+	    {% set _divider = true %}
+	     <li> 
+	         <a href="{{ options.links.custom[loop.key] }}" target="blank" class="custom-link">{{ loop.key }}</a>
+             </li>
+	{% endfor %}
+	{% endif %}
+
         {% if _divider %}
         <li class="divider"></li>
         {% endif %}