Hope Deferred — John Jacobsen

This fourth book in the Two Sons series picks up right after the mysterious, simultaneous disappearance of the twin boys on the same day from two different states. Each of them, in their own way, was becoming known for their special and unique talents because the two adopted sons are destined for greatness. However, the forces of good and evil struggle to gain control of them, leading to an eventual clash of these two titans with worldwide implications. Nefarious criminals, serial killers, eco-terrorists, the FBI, Homeland Security and the NSA all become embroiled in the sweeping tale that moves through London and New York City into the fracking controversies in North Dakota, as well as into the Badlands of South Dakota and the Pine Ridge Reservation of the Oglala Sioux tribe.