How to export "down" on Django admin?

I need to export the author and each of his books, but the author just export the author. I managed to make the "book" maintainer export the author, but for every book it appears the author in every line. I have the "tabular in line" that means if I pick and author it shows every book in the admin page, so I know it's possible to do it but I don't know why, help!

I have Author, Country and Book, and looks like this, models.py:

    class Author(models.Model):
    name = models.CharField(max_length=100)

    def __str__(self):
        return self.name


class Country(models.Model):
    name = models.CharField(max_length=100)

    def __str__(self):
        return self.name

class Book(models.Model):
    name = models.CharField('Book name', max_length=100)
    author = models.ForeignKey(Author, blank=True, null=True)
    author_email = models.EmailField('Author email', max_length=75, blank=True)
    imported = models.BooleanField(default=False)
    published = models.DateField('Published', blank=True, null=True)
    price = models.DecimalField(max_digits=10, decimal_places=2, null=True, blank=True)
    country = models.ForeignKey(Country, blank=True)

The admin.py:

admin.site.register(Book)
admin.site.register(Country)

class BookInline(admin.TabularInLine):
    model =  Book
    max_num = 0
    can_delete = False

@admin.register(Author)
class AdminAuthor(ImportExportActionModelAdmin):
    list_display = (name)
    
    inlines = [
        BookInline,
    ]

    class Meta:
        model = Book

It's not a many to many relationship, its one to many, so plis help me to make it look Something like this as a django admin action:

 +--- Author -----+ 

 |  Shakeitspeare |
 
+----------- Book ---------------------+--- Published----+ 

| Romeo and Sexyjulliette              |      1986       |

|      She-Hamlet                      |      2020       |

| Two Gentlemen and one cup in Verona  |      2008       |

I'm using https://django-import-export.readthedocs.io/en/latest/index.html#django-import-export But it shows me how to do it from books to author...

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