• "We're Still Family: What Grown Children Have to Say About Their Parents' Divorce," Constance Ahrons, Harper Collins, $13.95. • "Ex-Etiquette for Holidays and Other Family Celebrations," Jann Blackstone-Ford and Sharyl Jupe, Chicago Review Press, $12.95. • "Divorce Is Not the End of the World," (updated 2007) Zoe Stern and Evan Stern, Tenspeed Press, $8.95. • "The Bright Side: Surviving Your Parents' Divorce," Max Sindell, HCI Books, $12.95.