French teen Flavia Bujor was just 12 when she started writing The Prophecy of the Stones. Since its European debut, in 2002, her book has sold more than 50,000 copies. Flavia, now 15, visited New York City last month to promote its U.S. release. "It's like a dream," she says of her success. For more, go to timeforkids.com/flavia.