Digital Books, Audiobooks & Magazines Overdrive Download titles 24/7 to play on your PC, tablet, ereader and smartphone. Maximum 7 checkouts per person at any time. Get started with how-to guides for Nook, Kindle, Fire, Android and Apple products. Hoopla Instantly borrow free digital movies, music, audiobooks, comics and more. 3 checkouts per person, per month. Checkout periods: 3 weeks for books, comics & audiobooks; 1 week for music; 3 days for movies. Get started with this how-to guide. RBdigital (formerly Zinio) Get full digital copies of your favorite magazines. With a free RBdigital account you can view magazines on your computer or mobile device. Get started with a how-to guide for RBdigital. Save BookFlix A digital literacy resource designed to strengthen early literacy skills while exposing young learners to real world concepts. TumbleBooks Animated picture books online. Download free books and the free TumbleReader to enjoy e-books offline too. Delaware County Library System See a list of digital reference books available to anyone with an active Delaware County Library System library card.