"I've lasted very well, don't you think?" asked Mystery Writer Agatha Christie last week on her 80th birthday as she received reporters at her Berkshire, England, home. "I must have stamina." Stamina indeed. The occasion also marked the publication in England of Agatha's 80th novel, Passenger to Frankfurt. "I call the book an extravaganza," she said, "but evidently it is not quite as extravagant or fantastic as I had supposed." Why? The plot involves a fictional event that this month became fact: the hijacking of four passenger airliners in Africa.
"I took to it quickly," explained Sophia Loren, "probably because I'm...