Amazon Kindle flaunts a massive library of ebooks from Amazon's ecosystem, but some of the ebooks that we have are in outside file formats, such as PDF and EPUB. A kindle e-book reader is pictured at ...

Apple has made it decidedly more difficult to import .EPUB and .PDF files from Messages to the Books app — but it's not impossible. Here's how to do it on iPad, iPhone, and Mac. If you're an avid ...