DC Comics has been publishing titles on the iPad for a while now, both in the official DC Comics app and in the Comixology app (which, as you may know, actually produces the official app anyway). But DC is now finally turning to iBooks to sell comics as well, with an iBooks version of the Batman: Earth One story that passed through the official Batman lines recently. This is DC's first title on the iBookstore, and it joins a slew of Marvel titles, as well as qu
