Adam Blade 
Battle for the Shadow Sword 
Series 1 Book 1

X-Men meets Beast Quest at the school for superheroes! An epic new adventure series from bestselling author Adam Blade!Welcome to Hero Academy! Join Jack and your other new classmates at this secret school, where the lessons are more exciting than Maths and PE. But when a portal from the evil underground realm of Noxx is discovered beneath the school, Team Hero needs your powers. The next invasion is upon us!