D-Day Girls : The Spies Who Armed The Resistance, Sabotaged The Nazis, And Helped Win World War II by Sarah Rose Copyright Year: 2019 ISBN-13: 9780451495082 Video Preview Available format(s): VOICEText (H) Add to Bookshelf What's an Audio Format Audio format refers to the way an audiobook is recorded. Not all audiobooks have the same formats. Classic Audio: A human reading an audiobook without the text displayed. VOICEtext (H): Human narrator with text that you can follow along with as it reads. VOICEtext (S): Synthetic voice with text you can follow along with as it reads.