Author Stephen R. Covey had an astounding 339-week run on PW's trade paperback list for The 7 Habits of Highly Effective People. Copies in print for that superselling backlist is 15 million worldwide, with 11 million copies in North America. Covey's latest, The 8th Habit: From Effectiveness to Greatness, is enjoying its second week on PW's nonfiction charts with 430,000 copies after three trips to press. Free Press's extensive print and broadcast publicity included a 20-city radio satellite tour and 15-city TV satellite tour. There are national publicity reviews and features scheduled through February.