A New York Times Bestselling Author While investigating a toxic outbreak in the Caribbean Sea, Dirk Pitt unwittingly becomes involved in something even more dangerous: a post-Castro power struggle for the control of Cuba. Meanwhile his children, marine engineer Dirk and oceanographer Summer, are chasing an Aztec treasure - which brings them both to Cuba as well, and squarely into harm''s way. But the three of them have been in desperate situations before . . .