The magic class among the ghosts

The pupils of the magical class are never bored at school for a moment. And how could they be, when they are taught not by an ordinary teacher, but by a kind fairy? She knows how to cast spells and grant even the most secret of wishes.
When her pupils get up to some serious mischief one day, it gives her an idea for another amazing adventure. They will meet the Lord of the Underworld, get swimming lessons from a water sprite, and see what it's like in a screaming ghost's pharmacy. What other spectres will give the magical class a fright?
Don't worry, you won't be scared while reading. With the magical fairy, you can cast your fear aside and enjoy an exciting trip into the world of ghosts!