Another thrilling Zac Power adventure! Zac Power's next mission is in one of the deepest oceans in the world. Even GIB's subs can't handle the depth. But the enemy has invented a new sub that can dive deeper than ever before. Can Zac find the enemy and protect the top-secret information stored on the seabed?

Mission: Locate Secret Enemy Submarine Enemy: Captain Stewart Featured Gadget: Amphibious Submersible Danger Rating: 3.7 Zac Power is about to embark on his first solo mission—finally! And it's almost as cool as playing a guitar solo for millions of screaming fans. For years, top-secret government info has been stored at the bottom of the deepest ocean in the world. And it's been totally safe...until now. The enemy is testing a new submarine that can dive deeper than ever before. Can Zac find the enemy, protect the top-secret info, and still make it home in time to walk the dog?

Another thrilling Zac Power adventure! There's a double agent working at GIB! Zac Power must go undercover to stop the theft of all of GIB's most valuable secrets and gadgets! Can Zac find the double agent before GIB is destroyed?

Another thrilling Zac Power adventure! How cool to be pulled out of maths class to go on Spy Boot Camp! But when a top GIB spy goes missing, Zac faces the biggest test of his spy career yet...