Apple iBook Reader Lacks "Go Back" Button

Since Seton Hill is giving iPads to all full-time students, I have been looking at the comparative features of several eBook readers. Right now, the Kindle app for the iPad looks good, because it offers notes and highlighting, but it lacks an iintegrated pop-up dictionary, which severely hurts is usefulness to student readers. I like the iBook’s dictionary and its ability to highlight in different colors; the update that was…