Documentary filmmaker NICHOLAS CLAPP. His new book, "TheRoad to Ubar: Finding the Atlantic of The Sands" (HoughtonMifflin) is about his search for the lost Arabian city ofUbar. Described in the Koran as "the many-columned city"Ubar, was said to have been destroyed by God for the sins ofits people. Using satellite maps to help locate it, CLAPPorganized two expeditions to Arabia to find Ubar. And hefound it in 1992.