* Who built Stonehenge? * Why did the pharaohs build the pyramids? * Did Richard III kill the princes in the tower? * Could the Titanic have been saved? * Did Hitler murder his niece? PRAISE FOR UNSOLVED MYSTERIES OF HISTORY "Like a sleuth, Aron pieces together the possible answers . . . It's an engaging way to learn more about history and the new evidence that sheds light on long-standing theories." --Daily Press "Aron has produced a fascinating...