How to make model flask marshmallow_sqlalchemy desrialize related object

from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from marshmallow_sqlalchemy import SQLAlchemyAutoSchema
from flask_marshmallow import Marshmallow

app = Flask(__name__)
db = SQLAlchemy(app)
ma = Marshmallow(app)

class Author(db.Model):
    __tablename__ = "authors"
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String, nullable=False)
    books = db.relationship("Book",
        backref=db.backref("author", lazy="joined"),
        foreign_keys="Book.author_id",
        lazy="dynamic"
    )

class Book(db.Model):
    __tablename__ = "books"
    id = db.Column(db.Integer, primary_key=True)
    title = db.Column(db.String)
    author_id = db.Column(db.Integer, db.ForeignKey("authors.id"))

class BookSchema(SQLAlchemyAutoSchema):
    class Meta:
        model = Book
        include_fk = True
        load_instance = True
        sqla_session = db.session

class AuthorSchema(SQLAlchemyAutoSchema):
    class Meta:
        model = Author
        load_instance = True
        # include_relationships = True # See below
        sqla_session = db.session
    books = ma.Nested(BookSchema, many=True)


with app.app_context():
    db.drop_all()
    db.create_all()

    author = Author(name="Chuck Paluhniuk")
    book = Book(title="Fight Club", author=author)
    db.session.add(author)
    db.session.add(book)
    db.session.commit()

    author_schema = AuthorSchema()
    book_schema = BookSchema()

    dump_data_author = author_schema.dump(author)
    print(dump_data_author)

    dump_data_book = book_schema.dump(book)
    print(dump_data_book)

    json = [
        {'author_id': 1, 'title': 'Fight Club', 'id': 1}
    ]
    schema = BookSchema(many=True)
    print(schema.load(json))

    json = [
        {'books': [{'author_id': 1, 'title': 'Fight Club', 'id': 1}], 'name': 'Chuck Paluhniuk', 'id': 1}
    ]
    schema = AuthorSchema(many=True)
    print(schema.load(json))