I Wish That I Had Duck Feet I Can Read It All by Myself Series by Dr. Seuss (Author); Theo. LeSieg (Author); B. Tobey (Illustrator) Copyright Year: 1993 ISBN-13: 9780394800400 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.