Converting .odm, etc. extensions to a Mac format
Answer--Go to the Overdrive Media site and download the app from there; it is not on the APP store. Download to the computer or phone, but each download is different for the device. The book will then download to the app and you can go to Spotlight, click the folder for the book and drag it to Music in iTunes. Make sure to put the book in audio form on the Options tab.
iPod touch