Action Dude and the Massive Shark

First name . . . Action. Second name . . . Dude. Get ready for his third adventure!
So don't panic... I won't say it. People might get scared. I'd better not mention there's a HUGE DEADLY MUTANT SHARK on the loose... whoops!
Luckily Action Dude is on hand to help.
Third in a full-colour graphic novel series about an incredible action hero who is also a nine-year-old boy.