To request a book from another GSU campus library:
You'll get an email in a few days when your book has arrived.
Click the Request link next to the book you want. (This doesn't appear unless you're signed in.)
Choose the campus where you want to pick up the book from the Pickup Location menu.
Click the green Request button, and you're done. You'll get an email in a few days notifying you that the book is ready to pick up.