From the outer reaches of space to the small-town streets of suburbia, the hunt comes home. Now, the universe's most lethal hunters are stronger, smarter, and deadlier than ever before, having genetically upgraded themselves with DNA from other species. When a young boy accidentally triggers their return to Earth, only a ragtag crew of ex-soldiers and a disgruntled science teacher can prevent the end of the human race.

There is always something bloodthirsty lurking in the Louisiana Bayou. But there has never, ever been anything like this. A pack of massive, genetically-engineered, flesh eating fish are combing the quiet waters of the river, searching for prey. Leaving a trail of mangled bodies along the river bank, the creatures have local authorities scrambling to uncover what is causing the carnage, and it quickly becomes clear that they are dealing with no ordinary...