Now she and Alex, the shapeshifting rebel alien posing as her father, make a fearsome team in a guerrilla war against the invaders. But Cleo's past is about to come back to haunt her: An adversary she thought she'd seen the last of is out for revenge, determined to ruin Cleo's life and destroy the trusting relationship Cleo has built with her alien "dad." Lifeformed: Hearts and Minds is the second installment in the sci-fi thriller series from Matt Mair Lowery and Cassie Anderson.