"Undercover" There's a double agent working at GIB Zac Power must go undercover to stop the theft of all the GIB's most valuable secrets and gadgets Can Zac find the double agent before GIB is destroyed? "Shockwave" GIB has received a mysterious ransom note - pay $500 billion or a purple diamond LaserBlaster will be used to destroy all mobile networks around the world Zac doesn't know who, where, or how, he just knows when. He has 24...