Таня Гроттер и исчезающий этаж [для сред. шк. возраста]

Tani︠a︡ Grotter is out of luck. At the same time, while Sardanapal, Meduzii︠a︡ Gorgonova and other teachers are completing the construction of the ruined school of magic, Tibidokhs, they students have been sent home.