In a future world where teenagers are taken, imprisoned, and forced to fight for their survival, well-behaved Cassie will do whatever it takes to save her rebellious twin sister Becca from Death Row.

"Following clues left by their missing father, twelve-year-old twins Bickford and Rebecca Kidd sail from the Caribbean to New York City with their siblings to finish the dangerous quest of their world-famous treasure-hunting parents"--Provided by publisher.

When a set of priceless paintings by Leonardo da Vinci and Rembrandt go missing in Russia, the Kidd siblings head to St. Petersburg and the wild Arctic tundra to find the bad guys and locate the treasure.

Escape is just the beginning. Twin sisters Becca and Cassie barely got out of the Crazy House alive. Now they're trained, skilled fighters who fear nothing--not even the all-powerful United regime. Together, the sisters hold the key to defeating the despotic government and freeing the people of the former United States. But to win this war, will the girls have to become the very thing they hate? In this gripping sequel to James Patterson's YA blockbuster...

Twins Bick and Beck Kidd and their family of professional treasure hunters race against mercenaries, rival treasure hunters, and a lumber baron through the jungles and mountains of Peru in search of Paititi, the legendary lost Inca city of gold, in hope of conserving the archaeological treasure and preventing deforestation of the rain forest.

Tandy Angel is, along with her brothers, a suspect in their parents' murder but having grown up under Malcolm and Maud Angel's perfectionist demands, Tandy decides she must clear the family name no matter what.

As she fights for the family company, Tandy Angel's detective prowess is called into question and her paranoia builds, forcing her to face the possibility that her stalker could be all in her head--or the very real danger that will finally bring her down.