Nicholas Linnear, hero of New York Times-bestseller The Ninja, returns in an all-new adventure of intrigue, deceit, and death Returning to Tokyo after many years, Nicholas Linnear--the ninja--must make a deal with the devil if he is to maintain control of his newly launched shipping concern. The exiled Russian oligarch Vladimir Orkin is the buyer Linnear needs for his liquid natural gas, but his offer is contingent on the ninja's performance of an unusual service. Well aware of Linnear's legendary skills in martial arts, Orkin demands that he take deadly revenge on the oligarch's longtime enemy and avenge his beautiful daughter. As a final persuasion, he dangles information about Linnear's past--information the ninja has never been able to uncover on his own. The lure is irresistible, but the danger may prove his undoing. . . .   The Oligarch's Daughter is the 4th book in the Nicholas Linnear Series, but you may enjoy reading the series in any order.