00522nam a2200145Ia 45000010006000000050017000060080041000230200018000640820017000821000017000992450094001162600040002103000027002506500099002771177120261006004354.0120911s9999    xx            000 0 und d  a9780684856094  a158.0835 COV  aCovey, Sean.  aThe 7 habits of highly effective teens : the ultimate teenage success guide / Sean Covey.  aNew York : Simon & Schuster, c1998.  a268 p. : ill. ; 24 cm.  aTeenager --Conduct of life., Success --Psychological aspects., Teenager --Life skills guides.