Prodigies of Young Adult

4 YA novels in 1: Joshua's Tree by N.W. Harris...Chased by flesh-eating mutants and aided by an overbearing warrior princess, brainy Joshua must save the future—from himself.
Relocated by Margaret Fieland...On planet Aleyne, a teenage boy discovers a terrorist plot and learns more than his own life is at risk.
Palace of the Twelve Pillars by Christina Weigand...When Prince Joachim is kidnapped and twin Brandan attempts a rescue, both will search their faith and familial loyalty.
Wakefield by Erin Callahan and Troy H. Gardner...Troubled teens Max and Astrid bond while questioning the true nature of the psychiatric treatment facility where they are forced to live.