Detective Jack Yu mysteries

His Fifth Precinct cases have taken him to West Coast Chinatowns and back, and along the way NYPD Detective Jack Yu has processed a dozen dead bodies, been beaten by Triad thugs, been mauled by a pit bull, and been shot twice. He's also killed two men. He is en route to an appointment with the department shrink when an Asian body turns up in the Harlem River. Quickly assigned to the case, Jack finds a corpse with no identification and faces questions...