Answer:

smiley

Answer	Crossword Clue
SMILEY	"A Thousand Acres" author
SMILEY	Le Carre protagonist
SMILEY	:-)

SMILEY	Typed face
SMILEY	... face (happy expression)
SMILEY	"Moo" author Jane
SMILEY	Le Carre agent George ...
SMILEY	Le Carre character
SMILEY	Spy of fiction
SMILEY	Happy-face symbol
SMILEY	Common emoticon

SMILEY	Type face?
SMILEY	Cheerful
SMILEY	Like Jack of the comics
SMILEY	Guinness role on TV
SMILEY	Le Carre character George
SMILEY	Cutesy drawing
SMILEY	"I'm just kidding!" indicator
SMILEY	Symbol in Wal-Mart ads

SMILEY	Joke indicator
SMILEY	Happy icon
SMILEY	Le Carre's George
SMILEY	Happy face icon
SMILEY	"I'm just kidding!" emoticon
SMILEY	Le Carre hero George
SMILEY	Happy emoticon
SMILEY	"Tinker Tailor Soldier Spy" protagonist