Covey, Sean. The 7 habits of highly effective teens : the ultimate teenage success guide / Seven habits of highly effective teens Sean Covey. - New York : Simon & Schuster, c1998. - 268 p. : ill. ; 24 cm. Includes index. ISBN: 9780684856094 Subjects--Topical Terms: Teenagers--Life skills guides. LC Class. No.: BJ 1661 / .C68 1998