Roland Smith - I.Q. Book Two: The White House

At Independence Hall, I.Q. and Angela discovered that Angela’s mother, Malak, was still alive, as a double agent in a terrorist cell.  Now they are at the White House for their parents’ concert, but also to prevent, or foil, another terrorist attack.  Can they communicate with Malak?  Can they save not only her, but also the president and his family?