H. I. Larry

Zac is sent to the Great Icy Pole to investigate suspicious activities in the area. It's a freezing, scary place where your eyeballs can freeze in their sockets and your fingers can snap off! And if Zac misses his helicopter ride back, he'll be stuck there all winter.

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.

Super-smart hackers are attacking the software that protects the GIB's ultra-powerful satellite, WorldEye. Sources lead Zac to Bladesville, a huge city where all the latest games and gadgets are developed. Can Zac track down the hackers, and outsmart them?

When the Prince of the remote Hidden Kingdom is kidnapped, it's Zac Power to the rescue! But the kingdom bans all modern technology. How will Zac manage without his cool spy gadgets?

Masses of gold ingots are being stolen from the world's most secure bank vault. Intelligence reports suggest the evil spy agency BIG is involved. Can Zac find out how the gold is being stolen and get it back? There's no telling what crimes BIG could commit with all that gold ...

Zac is rocketed into outer space to stop the sabotage of a charity rock concert. An enemy agent is out to steal billions of dollars in donations and will stop at nothing to get them. This is Zac's toughest mission yet – can he handle the pressure?