ALERT! ALERT! ALERT!
Mega Robot Monsters are suddenly waking up all over and they're TOO BIG and TOO STRONG for Hilo to fight on his own!
Luckily, he doesn't have to! He has GINA and some brand new SUPER POWERS on his side! Being heroes can be super fun-but it can also be SUPER dangerous! The closer Hilo and Gina get to saving their world from the monsters, the closer Hilo gets to the dark secret of his past...
The fourth book in the action-packed, laugh-out-loud bestselling graphic novel series perfect for young readers aged 8-12.
