Night Rise (The Power of Five, Bk. 3)

Scott and Jamie Tyler are twins who have always known that they possess extraordinary powers. When Scott is kidnapped by the sinister Nightrise Corporation and Jamie is framed for murder, they realize that they must use their powers to survive.

But Jamie is catapulted thousands of years into the past, where he learns that he is one of five Gatekeepers who are all that stand in the way of the Old Ones.