The Betrayal — Marc Cerasini

Trapped on Vane Island, Tom, Mitch, and Laura eventually escape Vane's clutches and set off to search for their missing fathers. As soon as they locate Vane's prison facility, they learn that someone has activated the island's self-destruct function. Just before the island is destroyed, a twist is revealed that turns the boys' world upside down, and Tom and Mitch are left wondering who they can trust....