Darwin : texts commentary Norton critical edition by Appleman Philip 3rd ed Copyright Year: 2001 ISBN-13: 9780393958492 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.
An essay on the principle of population influences on Malthus selections from Malthus' work nineteenth-century comment Malthus in the twenty-first century A Norton critical edition by Malthus T. R. (Thomas Robert) 2nd ed. Copyright Year: 2004 ISBN-13: 9780393924107 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.