added Edit Author button

bellapanghulan_reading/bookshelf/templates/bookshelf/book_details.html

 {%extends 'base.html'%}
 {% block stylesheets %}
-    {% load static %}
-    <link rel="stylesheet" type="text/css" href="{% static 'stylesheets/book_details.css' %}">
+{% load static %}
+<link rel="stylesheet" type="text/css" href="{% static 'stylesheets/book_details.css' %}">
 {% endblock %}
 
 {% block title %} {{ object.title }} {% endblock %}
 
 {% block header %}
-    <h2> {{ object.title }} </h2>
+<h2> {{ object.title }} </h2>
 {% endblock %}
 
 {% block body %}
-    <div class="books-content">
-        {% block content %}
-        <a href="{{ object.author.get_absolute_url }}" class="author">{{ object.author }}</a>
-        <div class="author-details">
-            <h3><span class="label">Publisher</span><br> {{ object.publisher }}</h3>
-            <h3><span class="label">Year Published</span><br>{{ object.year_published }}</h3>
-            <h3><span class="label">ISBN</span><br>{{ object.ISBN }}</h3>
-        </div>
-        <p>{{ object.blurb }}</p>
-        <div class="links">
-            <a href="/home/" class="btn-primary">Home</a>
-            <a href="/books/" class="btn-secondary">Books</a>
-            <a href="/authors/" class="btn-primary">Authors</a>
-        </div>
-        {% endblock %}  
+<div class="books-content">
+    {% block content %}
+    <a href="{{ object.author.get_absolute_url }}" class="author">{{ object.author }}</a>
+    <div class="author-details">
+        <h3><span class="label">Publisher</span><br> {{ object.publisher }}</h3>
+        <h3><span class="label">Year Published</span><br>{{ object.year_published }}</h3>
+        <h3><span class="label">ISBN</span><br>{{ object.ISBN }}</h3>
     </div>
+    <p>{{ object.blurb }}</p>
+    <a href="{{object.get_absolute_url}}edit" class="btn-primary">Edit Book</a>
+    <div class="links">
+        <a href="/home/" class="btn-primary">Home</a>
+        <a href="/books/" class="btn-secondary">Books</a>
+        <a href="/authors/" class="btn-primary">Authors</a>
+    </div>
+    {% endblock %}
+</div>
 {% endblock %}
\ No newline at end of file