The Devolution Chronicles - Gary Wayne Clark - Bog

What if there was a world where man no longer reigned and evolution ran backwards? There is such a world, and it's closer than you think.

Marooned on planet Niburu, a disgraced fighter pilot turned Bounty Hunter, Commander Zacary Ryker, must choose between revenge and protecting a band of human castaways as he reluctantly leads them and their genetically engineered Chimera mercenaries against his nemesis and a brutal race of aliens. Sometimes, the enemy of my enemy is my friend. He's just not human...