The Bourne Retribution by Robert Ludlum

The Bourne Retribution by Robert Ludlum
Still reeling from Rebeka's death, Bourne is drawn back into the fight between the Mexican cartels when he learns that his nemesis Ouyang Jidan is involved. Determined to discover the connection between the Chinese official Ouyang and a deceased drug lord, Bourne sets off for Shanghai. . . where he'll face his greatest threat to date.