@@ -1,14 +1,4 @@
 <div class="co1 c3 desktop-only" id="sb">
- <div class="pn">
-  <div class="pnh"><h3>{% for p in pages|sort(attribute='sortorder') %}{% if page and p.slug == page.slug %}{{ p.title }}{% endif %}{% endfor %}{% if not page %}Full Stack Python{% endif %}</h3></div>
-  <div class="pnb">
-   <a href="/">Full Stack Python</a> is an <a href="https://github.com/mattmakai/fullstackpython.com">open book</a> that explains
-   concepts in plain language.
-   <!--<hr>
-   Read everything online for free or purchase the
-   <a href="https://www.deploypython.com/full-stack-python.html">Supporter's Edition</a>
-   for nicely-formatted ebooks.-->
-  </div>
- </div>
  {% include "sponsor/sentry.html" %}
+ {% include "sponsor/carbon.html" %}
 </div>
@@ -5,7 +5,7 @@
 <link rel="canonical" href="https://www.fullstackpython.com/" />
 {% endblock %}
 
-{% block css %}<style>{% include "css/base.css" %}{% include "css/toc.css" %}{% include "css/panel.css" %}{% include "css/page-article.css" %}{% include "css/responsive.css" %}</style>{% endblock %}
+{% block css %}<style>{% include "css/base.css" %}{% include "css/toc.css" %}{% include "css/panel.css" %}{% include "css/page-article.css" %}{% include "css/carbon.css" %}{% include "css/responsive.css" %}</style>{% endblock %}
 
 {% block banner %}
 {% endblock %}
@@ -30,7 +30,13 @@ <h1 style="font-size:26px">Build, Deploy and Operate Python Applications</h1>
   need to <a href="/web-development.html">create</a>, 
   <a href="/deployment.html">deploy</a> and <a href="/devops.html">operate</a> 
   Python-powered applications.</p>
-  <p>This guide branches out on topic because your learning
+  <p><a href="/">Full Stack Python</a> is an 
+  <a href="https://github.com/mattmakai/fullstackpython.com">open source book</a> 
+  that explains technical concepts in plain language.
+  Read everything online for free or purchase the
+  <a href="https://www.deploypython.com/full-stack-python.html">Supporter's Edition</a>
+  for nicely-formatted ebook (PDF, EPUB, MOBI) versions.
+  This guide branches out on topic because your learning
   requirements depend on what you're working on. Choose a 
   topic from the links below or view the full
   <a href="/table-of-contents.html">table of contents</a>