DAVID JOLES � djoles@startribune.com Forest Lake, MN - Dec. 2, 2008 - Benjamin Ajak fields questions from tenth grade students North Lake Academy in Forest Lake during a visit by the former Lost Boy from the Sudan. Ajak, 26, came to the U.S. on Sept. 11, 2001, and flew over the Twin Towers in New York as they were ablaze and then collapsed. Ajak co-authored a book entitled: "They Poured Fire on Us from the Sky," about his life in the Sudan, wandering Africa and later in a refuge camp before coming to the U.S. Tenth graders at the school read his book. Ajak, whose parents were murdered when he was five years old, resides in San Diego.