The Windows 10 Creators Update gave Microsoft Edge the ability to open EPUB files stored on your PC. It immediately became easier to read your favorite books without having to download a separate app.

Kindle devices appeal to many people. When everything works, they're great. But Amazon is becoming more and more finicky, both in terms of supported formats and the freedom to manage your own books.

In another instance where it would have been nice of Apple to publish more-complete release notes, we totally missed a significant change in the iBooks app until recently. Back in “Take Control’s ...