With Alberto, the first storm of the 2006 hurricane season, having formed and weakened to a tropical depression this week, the advice offered at last month's BookExpo America panel "Coping With Disaster: What to Do When Catastrophe Strikes" is particularly timely. And, as panel participant Scott Naugle, owner of Pass Christian Books, in Pass Christian, Mississippi, which was destroyed by Hurricane Katrina, warned the audience, disaster can come in many guises, ranging from natural disasters to computer viruses.