Contains all 4 books in the interlinked Zac Power Mega Mission Super Series! Zac Power and his spy agency GIB are facing their biggest challenge yet – but so much of the mission is a mystery! What does Zac’s long-lost grandpa have to do with it, and who is BIG’s incredible new agent? GIB have no idea what’s coming, and only Zac can save the day...

Contains all 4 books in the interlinked Zac Power Extreme Mission Super Series! When Zac Power’s grandpa drags him on a new mission in the middle of the night, Zac is pumped. They’re racing to find the four parts of a powerful gadget called IRIS. But Grandpa won’t say what IRIS does, or why it’s been broken up. The only thing Zac knows is that this time, the threat is bigger than to just GIB. If they don’t find IRIS before their enemies do, the whole world will be in danger...

In the final phase of the mission, Zac is racingagainst the clock to stop the enemy. And thesurvival of GIB depends on his success!

Book 1 in the interlinked Zac Power Mega Mission Super Series! When Zac is pulled out of school by the head of GIB, he knows his next mission must be important...

First it was MEGA, then it was EXTREME. Now it’s ULTIMATE! Is this the last Zac Power super series? A very special format for all Zac Power fans, the Ultimate Mission is three times the length of a regular Zac Power mission! Zac Power is facing his biggest challenge ever! And this time the whole world is in danger... GIB’s worst enemies have joined forces for their most evil plan yet, led by a mysterious new enemy called the Shadow. This mission will be the ultimate test of Zac’s spy skills – especially if it means the end of the Government Investigation Bureau.

Contains all 8 books in the interlinked Zac Power Extreme and Mega Mission Super Series! Mega Missions: Zac Power and his spy agency GIB are facing their biggest challenge yet - but so much of the mission is a mystery! What does Zac's long-lost grandpa have to do with it, and who is BIG's incredible new agent? GIB have no idea what's coming, and only Zac can save the day... Extreme Missions: When Zac Power's grandpa drags him on a new mission in the middle of the night, Zac is pumped. They're racing to find the four parts of a powerful gadget called IRIS. But Grandpa won't say what IRIS does, or why it's been broken up. The only thing Zac knows is that this time, the threat is bigger than to just GIB. If they don't find IRIS before their enemies do, the whole world will be in danger...

Book 1 in the interlinked Zac Power Mega Mission Super Series! When Zac is pulled out of school by the head of GIB, he knows his next mission must be important...