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!