Boy vs Beast Collection 4 - Boy vs Beast Book 13-16 (Unabridged‪)‬

Fight with Border Captain Kai Masters as he battles mega-mutant beasts to keep Earth safe, in these four adventures from bestselling author Mac Park.

Kai Masters is a Border Captain protecting Earth from the mega-mutant beasts of Beastium. He needs other border guards to help him battle these fierce invaders!

Lava Mega-Mutant: In the scorching fire land, a fierce clash between two beasts threatens everything in their path. Kai and Jay Armstrong must combine their strength and strategy to bring the chaos to an end.

Ice Mega-Mutant: Two beasts are fighting in the ice land. Will Kai and his battle partner, Will Ritter, know how to battle these beasts and win?

Water Mega-Mutant: Something strange has happened to the beastly invaders. Kai will need the help of border guard Ying Li and her robotic cat. But will it be enough?

Mud Mega-Mutant: A mega-mutant unlike anything Kai has faced before. With Akin Jango's help, he'll have to stop it before it's too late.