Better than a regular letter, e-mail keeps impatient kids in instant touch with their pals--with just a touch on the computer keyboard. Youngsters will happily and easily solve the mysteries of electronic mailing with the help of colorful, basic instructions. From setting up an account and sending "secret" notes to storing letters and computer shorthand, get in on the messaging mania. It's a whizz to use smileys, take advantage of expert shorthand...