Guns for General Washington a story of the American Revolution / Houghton Mifflin reading : theme paperbacks. Theme 3 Level 5 Voices of the Revolution by Reit Seymour. Houghton Mifflin ed. Copyright Year: 2005 ISBN-13: 9780618062638 Available format(s): Classic Audio 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.