Zendra of the Periphery

A seventeen-year-old female genius named Zendra, born on the planet Solitude Seven in the periphery of the galaxy, Via Lactea, finds herself inexorably drawn into momentous events at the very center of power that will require her to use her prodigious abilities to save the human race from the malevolent leader Drang the Gray of Triangulum Galaxy and his Horde Armada.