In the midst of an international crisis, Heidi Milligan, a beautiful, brilliant American naval commander, accidentally discovers an obscure reference to the long-buried North American Treaty, a precedent-shattering secret pact between the United States and Great Britain. The President believes that the treaty offers the single shot at salvation for an energy-starved, economically devastated nation, but the only two copies plummeted into the watery depths of the Atlantic in twin disasters long ago. The original document must be found€"and the one American who can do the job is Dirk Pitt.  But in London, a daring counterplot is being orchestrated to see that the treaty is never implemented. Brian Shaw, a master spy who has often worked hand in hand with American agents, now confronts his most challenging command. Pitt€s mission: Raise the North American Treaty. Shaw€s mission: Stop Pitt.  Praise for Night Probe! and the Dirk Pitt novels  €œA rich tale . . . an absorbing, carefully told mystery with plenty of surprises.€Â€"Los Angeles Times  €œDirk Pitt is a combination James Bond and Jacques Cousteau.€Â€"New York Daily News