new_api = self.request.query_params.get('new_api')
after = self.request.query_params.get('after')
count = int(self.request.query_params.get('count', 50))
books = order_books(Book.objects.distinct(), new_api)
new_api = self.request.query_params.get('new_api')
after = self.request.query_params.get('after')
count = int(self.request.query_params.get('count', 50))
books = order_books(Book.objects.distinct(), new_api)