title: Returning ManyToMany field
body: <p>How can I return objects from ManyToMany field? or How can i access authors related to Book?. Thanks in advance. My models.py is</p>
  
  <pre><code>class Author(models.Model):
      first_Name = models.CharField(max_length=100)
      last_Name = models.CharField(max_length=100)
  
      def __unicode__(self):
          return 'Author: ' + self.first_Name + ' ' + self.last_Name
  
  class Book(models.Model):
      title = models.CharField(max_length=200)
      author = models.ManyToManyField('Author')
  
      def __unicode__(self):
          return 'Book: ' + self.title
  </code></pre>