However, you can zoom in on pages or graphics. PDFs have a fixed layout, so they don't automatically adjust to fit your screen, and you can't change display options like font size.Open PDFs can be opened in your device's web browser (like Chrome or Safari) or in a PDF-compatible reading app (not the OverDrive app).This means you don't need to authorize your computer before reading them. Open PDFs aren't protected by Adobe's DRM system.Learn more about authorizing your computer. You'll need to authorize your computer before reading them. Adobe PDFs are protected by Adobe's DRM system.There are two types of PDF ebooks: Adobe and Open PDF.Unlike EPUBs, PDFs aren't compatible with the OverDrive app. You can download PDF titles using Adobe Digital Editions.You can change display options like the font size, number of columns, and more. EPUB ebooks automatically adjust to fit your screen.Open EPUBs can be downloaded to any reading app (like iBooks or Play Books) in addition to the OverDrive app or Adobe Digital Editions.This means you don't need to authorize your computer or device before reading them. Open EPUB ebooks aren't protected by Adobe's DRM system.Learn more about authorizing your computer or authorizing the OverDrive app. You'll need to authorize your computer or device before reading them. Adobe EPUB ebooks are protected by Adobe's digital rights management (DRM) system.There are two types of EPUB ebooks: Adobe and Open EPUB.You can download EPUB ebooks using Adobe Digital Editions (ADE) on a computer or the OverDrive app (available for Fire tablets worldwide and on other devices in select countries).Learn more about getting started with OverDrive Read.OverDrive Read has a lot of options to customize your reading experience.Some ebooks (called OverDrive Read-along ebooks) come with professional narration.Most ebooks automatically adjust to fit your screen, but some have a fixed layout (set by the publisher) to better display graphic-heavy ebooks.Reading progress and bookmarks are stored in the cloud, so you can always pick up where you left off on any device.No software or downloads are required to read OverDrive Read ebooks. Here are the different reading options that may be available on your library's OverDrive website when you borrow an ebook: OverDrive Read What are the different reading options for ebooks on my library's OverDrive website?

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