Mamutska akademija: Pustolovina u zemlji mamuta

The book is intended for the youngest readers and follows the adventures of young mammoths Oscar and Arabella. Oscar and his sister Arabella attend the Mammoth Academy – a school for young prehistoric animals (mammoths, saber-toothed tigers and others). Oscar is not the best student and prefers outdoor games and inventions to studying. When a mysterious theft occurs at school, Oscar becomes a suspect. He decides to find out for himself who is behind it. It soon turns out that the culprits are dangerous bipedal creatures – humans. With the help of his friends and his own invention, Oscar saves the Academy and proves his innocence.