In Book 2 of this thrilling series for 6- to 9-year-olds, our hero, Kai Masters, must quickly jump into action when burning hot rock falls from the sky. He knows it's time for battle again. Was Kai right to choose the X-Archer T10? Will it be enough to beat the Terrasaur rock-beast's hurl attack? With cool diagrams and illustrations of various gadgets, and a graphic novel sequence of the battle scene, Kai's adventures in Beast-hunting really come to life!

Kai Masters, 12, is a border guard charged with keeping Earth safe from the beasts of Beastium. Kai and his dogbot battle buddy, B.C., must battle hard if they are to defeat the ever-mutating beasts. Every book is a new battle with a new, bigger and better beast, plus the high-tech gadgets and vehicles, beast facts and battle stats boys love. Join Kai Masters and B.C. in the next MEGA bind up, Mega Battles 2.

Formerly published as Terradon. Kai must face the beast from the rock world. Will he need more than his X-Archer T10 to win against the hurl attacks?

Only a wall divides Earth from the beasts of Beastium. Only a boy and his dogbot defend the wall and protect Earth. Kai Masters. Border guard and beast battler. From the creators of Zac Power comes this fantasy adventure series for boys. With black-and-white illustrations throughout, including double-page graphic novel battle sequences in every book, Boy vs. Beast is the perfect series for 6- to 9-year-olds.

All four Battle of the Worlds books in one great value giftbox PLUS an exclusive Border Guard Log Book! The water battle of Aquatan. The rock battle of Terradon. The fire battle of Infernix. The wind battle of Tornados. Packed with adventure and value!

The battle against the Beasts of Beastium continues! Only a wall divides Earth from the Beasts of Beastium. Only a boy and his dogbot defend the wall and protect Earth. Kai Masters. Border guard and beast battler! When it starts to snow in the middle of summer, Kai knows it's time for battle. Kai and his robot dog BC3 build their own Sub-Skate to battle the growing ice beast. But will their tools be enough to stop the beast from breaking through the border wall? Can they save the Earth from deep-freeze? Things will need to heat up!