Danny Dreadnought Saves the World, Paperback

The Bugulons are the scariest creatures in the entire universe. So when they decide to invade Earth, they reckon it will be easy. But those Bugulons had better watch out, because down on Earth is Danny Dreadnought, and he isn't scared of anything! Even the fastest rollercoasters, the crocodiles and the creepiest crawlies don't frighten him...