THE FOURTH CHINA THRILLER, FROM THE MILLION-SELLING PETER MAY - AUTHOR OF THE RICHARD AND JUDY BESTSELLER THE BLACKHOUSE. SUFFOCATEDA vehicle crammed with dozens of dead Chinese immigrants is found in southern Texas. Pathologist Margaret Campbell must put aside her horror, and find out why. SUMMONEDDetective Li Yan - an even more unwelcome memory for Campbell - has arrived stateside to investigate a link in the case to a lucrative trade in illegal labourers. SNAKEHEADLi and Campbell will soon find that the crime scene hides another secret: a biological time-bomb linking traffickers, politicians and migrants in Beijing, Washington and Texas - posing multiple countries one, very singular, threat.