Creating a book record and its covers via API request

Upon receiving a POST request initiating the addition of a new book, the function create_book is called. It constructs a Book object and then creates associated BookCover records. A code review is required: assess the correctness and reliability of the entity creation process, identify potential issues with transactional consistency, and suggest possible optimizations.

def create_book(validate_data: dict):
    covers: list[dict] = validate_data.pop('covers')
    book = Book.objects.create(**validate_data)
    for cover in covers:
        BookCover.objects.create(**cover, book_id=book.id)