had to fix typos, It wasn't completely merged

neptunesy_reading/bookshelf/admin.py

 # app/admin.py
 from django.contrib import admin
-from .models import Author,Books
+from .models import Author,Book
 
 
 class AuthorAdmin(admin.ModelAdmin):
@@ -18,4 +18,4 @@ class BookAdmin(admin.ModelAdmin):
 # registering the model and the admin is what tells
 # Django that admin pages must be generated for the models specified
 admin.site.register(Author, AuthorAdmin)
-admin.site.register(Books, BookAdmin)
+admin.site.register(Book, BookAdmin)

neptunesy_reading/bookshelf/migrations/0002_alter_book_year_published.py

+# Generated by Django 3.2 on 2023-03-29 15:47
+
+import datetime
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bookshelf', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='book',
+            name='year_published',
+            field=models.DateField(default=datetime.datetime(2023, 3, 29, 23, 47, 44, 378208)),
+        ),
+    ]

neptunesy_reading/bookshelf/migrations/0002_auto_20230329_1051.py

-# Generated by Django 3.2 on 2023-03-29 02:51
-
-import datetime
-from django.db import migrations, models
-import django.db.models.deletion
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('bookshelf', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.CreateModel(
-            name='Books',
-            fields=[
-                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
-                ('title', models.CharField(blank=True, max_length=50)),
-                ('publisher', models.CharField(blank=True, max_length=50)),
-                ('year_published', models.DateField(default=datetime.datetime(2023, 3, 29, 10, 51, 31, 682472))),
-                ('ISBN', models.CharField(default='0000000000000', max_length=50, unique=True)),
-                ('blurb', models.TextField(blank=True)),
-                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='bookshelf.author')),
-            ],
-        ),
-        migrations.DeleteModel(
-            name='Book',
-        ),
-    ]

neptunesy_reading/bookshelf/migrations/0003_alter_book_year_published.py

-# Generated by Django 3.2 on 2023-03-29 04:00
+# Generated by Django 3.2 on 2023-03-29 15:48
 
 import datetime
 from django.db import migrations, models
@@ -14,6 +14,6 @@ class Migration(migrations.Migration):
         migrations.AlterField(
             model_name='book',
             name='year_published',
-            field=models.DateField(default=datetime.datetime(2023, 3, 29, 12, 0, 26, 639804)),
+            field=models.DateField(default=datetime.datetime(2023, 3, 29, 23, 48, 10, 184084)),
         ),
     ]

neptunesy_reading/bookshelf/migrations/0004_alter_book_year_published.py

+# Generated by Django 3.2 on 2023-03-29 15:49
+
+import datetime
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bookshelf', '0003_alter_book_year_published'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='book',
+            name='year_published',
+            field=models.DateField(default=datetime.datetime(2023, 3, 29, 23, 49, 14, 345543)),
+        ),
+    ]