The cover view pretty much only shows you the book covers, availability, and format, as well as the option to add the title to a wishlist.
The grid view also provides series information (and a link to others in that series!) and a brief description of the title.
Browsing the titles in list view will provide you with the most viewing options. You'll be able to see all the information as the other views above, along with a longer description, the number of titles purchased, how many people are waiting on hold for the book, and the ability to borrow or place a hold from the list view itself.