Books in Monster Mash-up series

From a towering tiger to a monstrous megabat, scientists created gargantuan natural predators to defend the Pacific Rim from rampaging mutants — but now they're destroying everything in their path! Can a quickly assembled squadron of gigantic robots capture the awe-inspiring animals and return them to their normal sizes? Discover the drama with more than 40 thrilling illustrations to color.

When a radioactive virus transforms ordinary deep sea creatures into gigantic monsters, scientists create a new weapon to battle the mutant marauders. The top-secret growth ray transforms normal life into enormous killer whales, great white sharks, bald eagles, Kodiak bears, and other colossal creatures. More than 40 action-packed illustrations depict a world of mayhem.