added addbook html and view is attached.

Deokhyun_Lee_reading/bookshelf/forms.py

+from django import forms
+from .models import Author
+
+class AddBookForm(forms.Form):
+    title  = forms.CharField(max_length = 100)
+    author = forms.ModelChoiceField(queryset=Author.objects.all())
+    publisher = forms.CharField(max_length = 100)
+    year_published = forms.DateTimeField()
+    ISBN = forms.CharField(max_length = 13)
+    blurb = forms.CharField(max_length = 250)

Deokhyun_Lee_reading/bookshelf/templates/books/add-book.html

+{% extends 'base.html'%}
+
+{% block title %}
+Add New Book
+{% block content %}
+    <form method="post">
+        {% csrf_token %}
+        {{ form.as_p }}
+        <button type="submit">Add Book</button>
+  </form>
+{% endblock %}
\ No newline at end of file

Deokhyun_Lee_reading/bookshelf/templates/books/books.html

@@ -15,5 +15,7 @@
     {% else %}
         <p>No Available Books.</p>
     {% endif %}
+
     <a href="/home">Home</a>&nbsp&nbsp&nbsp&nbsp&nbsp<a href="/authors">Authors</a>
+    
 {% endblock %}
\ No newline at end of file

Deokhyun_Lee_reading/bookshelf/templates/home/home.html

@@ -11,5 +11,8 @@
         Therefore, Frank Herbert's 
         Dune is one of the best 
         American authors for me!</p></p>
-        <a href="/books">Books</a>&nbsp&nbsp&nbsp&nbsp&nbsp<a href="/authors">Authors</a>
+        <ul>
+        <li><a href="/books">Books</a>&nbsp&nbsp&nbsp&nbsp&nbsp<a href="/authors">Authors</a></li>
+        <li><a href="/books/add">Add Book</a>&nbsp&nbsp&nbsp&nbsp&nbsp<a href="/authors/add">Add Author</a></li>
+        </ul>
 {% endblock %}
\ No newline at end of file

Deokhyun_Lee_reading/bookshelf/urls.py

 from django.urls import path
-from .views import HomeView, AuthorListView, AuthorDetailView, BookListView, BookDetailView
+from .views import HomeView, AuthorListView, AuthorDetailView, BookListView, BookDetailView, BookAddListView
 
 urlpatterns = [
     # for Home (landing page)
@@ -10,4 +10,5 @@ urlpatterns = [
     # for Books page
     path('books/', BookListView.as_view(), name='books'),
     path('books/<int:pk>/details', BookDetailView.as_view(), name='book-detail'),
+    path('books/add',BookAddListView.as_view(), name="add-book" )
 ]
\ No newline at end of file

Deokhyun_Lee_reading/bookshelf/views.py

@@ -2,6 +2,7 @@ from django.views import View
 from django.views.generic import ListView, DetailView
 from django.shortcuts import render
 from .models import Author, Books
+from .forms import AddBookForm
 
 # View for Home (landing page)
 class HomeView(View):
@@ -38,4 +39,21 @@ class BookListView(ListView):
 class BookDetailView(DetailView):
     model = Books
     template_name = 'books/book_details.html'
-    context_object_name = 'book'
\ No newline at end of file
+    context_object_name = 'book'
+
+class BookAddListView(ListView):
+    template_name = 'add-book.html'
+    form_class = AddBookForm
+
+    def form_valid(self, form):
+        # Create a new book object with the form data
+        new_book = Books.objects.create(
+            title=form.cleaned_data['title'],
+            author=form.cleaned_data['author'],
+            publisher=form.cleaned_data['publisher'],
+            year_published=form.cleaned_data['year_published'],
+            ISBN=form.cleaned_data['ISBN'],
+            blurb=form.cleaned_data['blurb']
+        )
+        # Redirect the user to the list of books
+        return super().form_valid(form)

Deokhyun_Lee_reading/templates/styles.css

+.row {
+    grid-row: 1 / span 2;
+}
\ No newline at end of file