Tattva (The Wisdom, #4)

Thousands of years ago, two alien races waged the greatest war the Earth had ever seen. Now, the Lyrans have returned for their revenge. In the aftermath of a flood that has wiped out most of the population, Itzy and her friends are about to face their toughest battle yet – and discover the dead don’t always stay dead. Will anyone survive? Find out in the epic finale to The Wisdom.