Zac Power volume 1
Separated from his parents and older brother, twelve-year-old Zac, a secret agent of the Government Investigation Bureau, must rely on his own skills to obtain the formula for Dr. Drastic's secret Solution X.
2) Mind games
Zac Power volume 3
Twelve-year-old Government Investigation Bureau spy Zac sets out for Bladesville, one of the meanest, toughest, dirtiest cities in the world, to try to stop criminal hackers who seek to make computer games more addictive.
3) Deep waters
Zac Power volume 2
Twelve-year-old Zac sets out on his first solo mission as a spy for the Government Investigation Bureau, piloting an amphibious submersible in hopes of preventing enemies from accessing a top-secret transmitter 4,000 feet below the ocean's surface.