I, Q Series by Roland Smith, Michael P. Spradlin

Step-siblings Q (Quest) and Angela are thrust into the work of the U.S. Secret Service and the Israeli Mossad when Angela realizes she's being followed, and Q learns the secret about Angela's real mother - a former Secret Service agent.

In Book One: Independence Hall, we met Q and his stepsister, Angela. We met their rocker parents, Blaze and Roger; we met the Secret Service team protecting the family; and we met the main players of the Mossad team that is following them... moreIn Book One: Independence Hall, we met Q and his stepsister, Angela. We met their rocker parents, Blaze and Roger; we met the Secret Service team protecting the family; and we met the main players of the Mossad team that is following them. Book Two takes us on another thrilling caper, this time to the White House where Q and Angela continue their quest to uncover the truth behind the supposed death of Angela's real mother--a former Secret Service agent--while trying to differentiate the "good guys" from the "bad guys." less

The president's daughter has been kidnapped by the elusive and lethal Ghost Cell. Quest (Q) and Angela are in hot pursuit with vicious winds and blinding rain thwarting them at every turn. It's a desperate high stakes chase. But who is chasing whom? Are Q and Angela the hunters or the hunted?

Fresh off a "too close" encounter with the terrorist group, the Ghost Cell, in Kitty Hawk, North Carolina, Q and Angela head to San Antonio, Texas. As their parents' band, Match, prepares for a concert at the Alamo, the two discover that the Ghost Cell has its tentacles everywhere, including the Lone Star State. With each passing hour, Q and Angela uncover more clues and discover more leads... moreFresh off a "too close" encounter with the terrorist group, the Ghost Cell, in Kitty Hawk, North Carolina, Q and Angela head to San Antonio, Texas. As their parents' band, Match, prepares for a concert at the Alamo, the two discover that the Ghost Cell has its tentacles everywhere, including the Lone Star State. With each passing hour, Q and Angela uncover more clues and discover more leads. And the mysterious Boone and his SOS group leave them with more questions than answers, for there is much more to Boone than meets the eye. With time running out to stop another Ghost Cell attack, Angela and Q and the others begin to wonder. Are they following the Ghost Cell or is the Ghost Cell following them? less

After Q and Angela help foil a Ghost Cell plot in San Antonio, they head to Chicago, the next stop on the Match tour. Since they've been busy fighting international terrorism, they're behind on their school assignments. Their parents tell them if they don't get caught up, it's off to boarding school. But who can concentrate on homework when there is a mystery to solve and international terrorism to thwart? Angela is obsessed with finding out more about the mysterious Boone... moreAfter Q and Angela help foil a Ghost Cell plot in San Antonio, they head to Chicago, the next stop on the Match tour. Since they've been busy fighting international terrorism, they're behind on their school assignments. Their parents tell them if they don't get caught up, it's off to boarding school. But who can concentrate on homework when there is a mystery to solve and international terrorism to thwart? Angela is obsessed with finding out more about the mysterious Boone. Q is more interested in not going to boarding school. But when Boone and his SOS crew are ambushed on their way to Chicago, it becomes abundantly clear. Someone inside their inner circle is feeding the Ghost Cell information. As they dig ever deeper to learn the identity of the mole, Angela and Q uncover the Ghost Cell's next plot. And it's much, much worse than a car bomb. They plan to unleash a chemical weapon over the skies of Chicago. And it's up to Angela and Q, along with Boone and Croc, to stop them. less

With the nation reeling from the recent terrorist attacks, Q and Angela leave Chicago and arrive in San Francisco. Their parents are determined to continue the Match tour but for safety's sake, they have decided to send Q and Angela to boarding school. Not happy at the thought of being taken off the trail of the ghost cell, Q and Angela race against time with Boone and the SOS team to find Number One, the leader of the world's most feared terrorist organization. It's the final showdown.