New York - Americans flocked to book stores over the weekend, many researching the topics of terror and warfare.
Bookstore managers said they had more customers than anticipated - with many looking for maps of New York and books on Middle Eastern studies, the Taliban, the Koran and Islam.
Books about 16th century French forecaster Nostradamus were also flying off the shelves. The Internet was fife with postings that claimed he had forecast the fall of the World Trade Towers.