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Calbre is free desktop software for managing digital libraries, and includes an ebook reader, ebook editor, conversion tools, and the ability to communicate with an ebook reader or other device over USB. Kindle is Amazon's ebook/audiobook platform with desktop and mobile apps. Both can be used for storing and reading ebooks, but usually they are used ...


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Most likely you downloaded a partial file or it was corrupted somehow. Just delete it from your device and try again. (Alternatively, remove it by going to Manage Your Content and Devices. Don't delete the ebook from all devices, just the one device you are working on. Failing that, you can also contact Oreilly or even the author and include a receipt. ...


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