Aerospace science the exploration of space by Sellers Jerry Jon. 2nd ed. Copyright Year: 2005 ISBN-13: 9780073512761 Available format(s): Classic Audio Log in to read 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.
Understanding Space by Jerry Jon Sellers; William J. Astore; Robert B. Giffen; Wiley J. Larson 3rd Edition Copyright Year: 2005 ISBN-13: 9780073407753 Available format(s): Classic Audio Log in to read 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.