The Wizard of Ooze (Ravenspell Series #2)

When the evil wormlord Sebaceous Ooze uses his magical song to enslave mice to diga volcano that will help him and his slobber goblin armies take over the world, it's up to Amber, a mouse with magical powers, to stop him. With her devoted friends by her side - Ben, a mouse who used to be a human boy; Thorn a genius mouse; and Bushmaster, the wise vole - Amber might stand a chance of thwarting the giant worm's sinister plan. But with a human army on their tails and betrayal in their path, these rodents are on a quest far more dangerous than any of them anticipated. A thrilling and exciting adventure for the young and young at heart.