Nook, iPod Touch, Phones and Tablets Help
Link to create an Adobe ID (to download Adobe ePub eBooks)
Returning eBooks before the due date
How to early-return a borrowed title using OverDrive's Mobile App for iOS (iPhone / iPad / iPod touch)
How to early-return an Adobe ePub book using Adobe Digital Editions. (Hint: Select Library and then right-click on title)
Returning audiobooks before the due date
Note: you cannot early return a WMA audiobook.