Nexus : The Alliance Series

Enzar has declared war on Earth... and they want Ada to lead their army. With Earth on the brink of war, Ada must face the truths her guardian, Nell, kept from her all her life, while Kay faces the ramifications of his father's last, terrible act as a council member and fights to restore Earth's shattered trust in the Alliance. If the Alliance falls, so does the Multiverse. And this time, there's no going back...