diff --git a/book/source/_templates/cover.j2 b/book/source/_templates/cover.j2
new file mode 100644
index 0000000..0c0e9f7
--- /dev/null
+++ b/book/source/_templates/cover.j2
@@ -0,0 +1,20 @@
+{#
+SPDX-FileCopyrightText: 2023 The "Notes on OpenPGP" project
+SPDX-License-Identifier: CC-BY-SA-4.0
+#}
+{%- extends "layout.html" %}
+{%- block header %}{% endblock %}
+{%- block rootrellink %}{% endblock %}
+{%- block relbaritems %}{% endblock %}
+{%- block sidebarlogo %}{% endblock %}
+{%- block linktags %}{% endblock %}
+{%- block relbar1 %}{% endblock %}
+{%- block sidebar1 %}{% endblock %}
+{%- block sidebar2 %}{% endblock %}
+{%- block footer %}{% endblock %}
+
+{% block content %}
+  <div class="cover-img">
+    <img src="{{ image }}" alt="Cover image" />
+  </div>
+{% endblock %}