My Account is where you register to become a member. All you have to provide is a name, e-mail and mailing address. By registering 1) you don't have to enter you address information each time you order, 2) you access the ability to contribute reviews and tags on books, 3) you become elibile to comment of the various essays and other posts, and 4) you can participate in the bulletin board discussions.
Once you are registered as a member and logged in the My Account tab will then show four buttons:
Log Out - To log out from your session
Edit - Where you can change your address or password
View My Wishlists - Where you can change, delete or create new wishlists
View Orders - Where you can check on the status of your orders.