Balance of Power (Tom Clancy’s Op-Centre, Book 5)The fifth volume in the fast selling series of high tech, high action thrillers created by Tom Clancy and Steve Pieczenik. Tom Clancys Op Centre, the series of international thrillers centred on the National Crisis Management Centre in Washington, is now firmly established as a bestselling phenomenon a must for technothriller fans around the world. The previous volume in the series, Acts of War, was one of the fastest selling thrillers of 1997. Now