Michigan Collaborative for Library Services has a collection of over 28,000 digital books as of April 2012, with approximately 16,000 e-books and 12,000 e-audiobooks. You can check-out up to 10 items at a time, and have holds on up to 10 titles at a time, with an unlimited number of items on your personal wishlist. You can choose to check out items for 7 or 14 days, and can view or listen to your items on a wide variety of devices, including computers, MP3 players, iPods and iPads, e-book readers, and tablets.