The Sky Took Us

A strange black orb appears. First Toronto. Then New York. Then Beijing. And then people start disappearing.

Sixteen-year-old Kris watches her mother vanish as the first orb hovers over a downtown square. More follow. Entire cities empty.

The world is running out of time.

Kris is an exceptional young mind, so she sees what others miss: the flashing patterns in the orbs aren't random. They're mathematical.

When a team of the world's brightest scientists confirms she's right, the race to decode t...