The Final Warning: A Maximum Ride Novel (Maximum Ride, 4)

In this #1 New York Times bestselling series, join Max and the flock on an adventure to save the Earth as a merciless mutant army follows them to the South Pole.
Max returns in a chilling adventure unlike any other. Safe havens for the six highly hunted winged kids have become increasingly hard to find, so the flock takes refuge in Antarctica with a team of environmentalists studying the effects of global warming. In this remote wilderness-whether pursued by corrupt governments, bioengineered bad-guys, or the harsh forces of nature-survival of the fittest takes a new twist!