created the edit author template which contains a form that allows you to edit...

created the edit author template which contains a form that allows you to edit the existing author details

lancedamalerio_reading/bookshelf/templates/bookshelf/edit-author.html

+{% extends 'base.html' %}
+{% load static %}
+
+{% block title %} Edit Author {% endblock %}
+{% block content %}
+    <form method="POST">
+    {% csrf_token %}
+    {{ form.as_p }}
+    <input type="submit" value="Save Changes">
+    </form>
+{% endblock %}