The popular feature-rich e-reading app Marvin has just received an update that, most notably, adds integration with ... a competing e-reading app?

Marvin has just been updated with a variety of enhancements. At the same time, it has undergone a major change, as far as its availability in the App Store is concerned.

The auto-scrolling reading app Readable has just been updated to version 2.0.

Readmill, my e-reading app of choice, has just received another notable update, just a couple of weeks after the previous one.

Goodreads is making good on its tagline, "Meet your next favorite book," with the latest update to its official iOS app.

Three years after its release on iOS, Bluefire Reader has finally been updated to version 2.0.

The world is your oyster. And now, Oyster's world of books is yours to read on your iPad as well as on your iPhone or iPod touch.

Nook for iOS has finally been updated to be fully compatible with iOS 7.

Wattpad has just gotten the iOS 7 treatment.

Just over a week after Marvin for iPad was updated to version 2.0 and Marvin for iPhone and iPod touch was released, both apps have been updated to version 2.1.

Barnes & Noble has notified users of its Nook iOS app about a couple of issues that they may encounter on iOS 7.

The impressively full-featured e-reading app Marvin for iPad has just received its 2.0 update.

Readmill, my favorite e-reading app, has just entered a new chapter.

ReadQuick has just received another major update.

OverDrive Media Console has just been updated to version 3.0.

Google has just issued an update to its Google Play Books app for iOS.

The "intelligent" iPad e-reading app Marvin has just received a significant update, which most notably includes Calibre support.

My favorite e-reading app, Readmill, just keeps getting better and better.

The new axisReader app is designed primarily for reading e-books from libraries that support Baker & Taylor's Axis 360 platform.

Readmill has received yet another noteworthy update.

Google Play Books now supports non-DRM PDF and ePub files from your own personal collection.

Marvin 1.5 brings a number of notable improvements, of which none is perhaps more notable than support for custom in-book menu commands.

Kindle for iOS has just finally gotten some neat accessibility features through its latest update.