If you receive an email notice that you have been granted access to share another person's address book, you will need to link to the that address book. You will need to know the owner's full email address and the exact name of the address book that is being shared.
To link to a shared address book:
Select Address Book and click edit.
In the tool bar, select Link to Address Book.
In the Contacts pane, give the shared address book a name that you want to appear in your list.
Enter the owner's email address and the owner's address book name.
Select the color for this shared address book
Click Create Address Book.