Book 4 in of the interlinked Zac Power Extreme Mission Super Series! The final piece of IRIS is hidden deep in the ocean, protected by an underwater minefield.

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

The first Zac Power Special Files book, containing two classic Zac stories! In Horror House, Zac’s SpyPad intercepts a message from BIG! The address in the me

One of TeenVogue.com's 10 Best Queer Books to Check Out: “Looking for Group is a road trip book that ends with a punch to the gut. Warning: this is a book tha

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