Great for boys, with a huge collectability factor bolstered by the cards in the back of the books, and links to an excellent interactive website.The Good Beast Sepron is in danger! Malvel has sent Voltrex - a hideous Octopus-Beast to kill him. If Sepron dies, Malvel will be closer to conquering Avantia. Tom must dash to Sepron's rescue before it's too late!