Captured

In "Captured," the second installment of Douglas E. Richards' acclaimed science fiction series, young siblings Ryan and Regan Resnick find themselves at the center of a high-stakes adventure. As the only hope for their captured adult team members in a secret mission exploring a hidden alien city, they must outsmart a cunning extraterrestrial leader to save their friends and prevent a looming invasion. With the fate of the world hanging in the balance, the clock is ticking as they navigate this thrilling and unexpected challenge.