This book discusses the physical aspects of flight by comparing controlled flight in birds to the flight of human-engineered airplanes. In addition to a chapter on the history of human flight, the book includes a glossary, a of suggested readings, a list of organizations and Internet sites for further research, and an index.
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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.
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