The Vault of a Thousand Worlds. Supervillain High, #3

The race to find the headmaster's vault is on. But no one knows where he's hidden it. What is certain is that the vault holds the key to the gate machine technology, and whoever controls the vault will have access to a door that leads to other worlds. Not-Earth's military wants it. So does a gang of superpowered criminals who will stop at nothing to possess it. Only Brendan and his fellow students of Dutchman Springs Academy stand in their way.
Can they discover the vault's secrets and rescue the students kidnapped to Not-Earth by the headmaster?But the vault's technology leaves destruction in its wake. If it falls into the wrong hands, Brendan and his friends may never see their home again. They will have to rely on all their wits and skill to overcome their greatest challenge yet! Real superpowers come with a price.Come read the exciting third act in the Supervillain High series, a YA science fiction adventure set in a world where a superhero craze has ordinary people in costume taking to the streets, and a strange high school is the epicenter of mysterious activities.