Still mourning the death of their mother, three brothers go with their father on an extended sailing trip off the Florida Keys and have a harrowing adventure at sea.

Taken to Antarctica by the man she thinks of as her uncle for what she believes to be a vacation, Symone--a troubled fourteen year old--discovers that he is dangerously obsessed with seeking Symme's Hole, an opening that supposedly leads into the center of a hollow Earth.

One minute the plane is flying high. Next a bullet or a missile hits the plane, and it begins to fall from the sky. Sometimes the airplane explodes and all is lost, sometimes the crew can eject. Read about the heroism, the tragedies, and a very big question: When is it OK to shoot down a plane?

Having survived the Strain 7 virus that killed much of the human race, six teenagers settle in Novo Mundum, a hidden city where people are reviving science and the arts, and search for a traitor who threatens to betray their community.