Lucky by Henry Chang Soho Press, $24.95, 218 pages, ISBN 978-1-61695-784-1 New York City’s Chinatown is the home turf of NYPD Detective Jack Yu, the beleaguered serial character created by author Henry Chang, and a personal favorite of the MBR, because the pragmatic and altruistic Chinese-American crime fighter operates in one of the most violent, superstitious, drug and gang-infested, as well as racially-prejudiced environments on planet earth without losing