Click on the icon to edit your address book. Enter a name and e-mail address in the fields below, then click on the "Add/Modify" button. Repeat for each person you wish to have in your address book. When your are finished, click on the icon to return to the previous folder.
Alternatively, if you use Netscape Mail or Outllook Express 5, you can click on the icon to import address books from those programs.