What Exactly is Literature?

NPR : Best-Selling Book Shows ‘Halo’ Game’s Wide Appeal

That’s the question raised by news items such as this:

The action-adventure book Contact Harvest is on the USA Today and New York Times best-seller lists. Author Joseph Staten had never written a novel but was uniquely qualified to write this one.

Contact Harvest is the most recent book in a series of adaptations of the video game Halo, for which Staten has been writing for years.