Insert your book on CD into your computer's CD drive.
Open iTunes on your computer if it doesn't launch automatically when your computer starts reading your book on CD.
Click the "Import CD" button in the bottom right of the iTunes window and your computer will download your book on CD to your iTunes library.
Insert your book on CD into the CD drive on your computer.
Open Windows Media Player if it doesn't open automatically when you insert your book on CD.
Click the "Rip CD" button in the Windows Media Player library. The Rip CD button is located next to "Create Plalist" in the library controls. This will download your book on CD to your Windows Media Player library, where they can be listened to or downloaded to an MP3 player.