Tna a Bzuk – Ppad ujetejch robot O’Donnell Liam (2019)

No one can solve a strange case better than Tna, the troll tinkerer, and Bzuk, the goblin detective. The approaching Battle Robot Championship is threatened by a mysterious hacker called Kodex. Unless Mayor Kruas gives in, all the monsters of Avalanche Mountain face a terrible fate. The best detectives at trkokyda Primary School must confront dangerous battle robots and voracious books to solve this bizarre case and save the town from a very angry demon. But who will save Tna and Bzuk from an attack by an enormous pile of homework? The book is in Czech.