Created a reverse relation back to Author and added the get_absolute_url function to both models

lance_santuyo_reading/bookshelf/models.py

 from django.db import models
+from django.urls import reverse
 
 
 class Author(models.Model):
@@ -11,14 +12,21 @@ class Author(models.Model):
     def __str__(self):
         return self.first_name + ' ' + self.last_name
 
+    def get_absolute_url(self):
+        return reverse('bookshelf:author-item', kwargs={'pk': self.pk})
+
 
 class Books(models.Model):
     title = models.CharField(max_length=255, blank=True, null=True)
-    author = models.ForeignKey(Author, on_delete=models.CASCADE, blank=True, null=True)
+    author = models.ForeignKey(Author, related_name='works', on_delete=models.CASCADE, blank=True, null=True)
     publisher = models.CharField(max_length=255, blank=True, null=True)
     year_published = models.IntegerField(blank=True, null=True)
     ISBN = models.IntegerField(blank=True, null=True)
     blurb = models.TextField(blank=True, null=True)
 
     def __str__(self):
-        return self.title
\ No newline at end of file
+        return self.title
+    
+    def get_absolute_url(self):
+        return reverse('bookshelf:book-item', kwargs={'pk': self.pk})
+        
\ No newline at end of file