Bachynsky A. Triangle of Zeus Book

Product description from producer

Theodore and his parents fly to Crete to rest, taking ... a geometry textbook to learn and correct the annual grade. The guy is annoyed that the vacation was ruined hopelessly. Especially since the parents, the first day overheated in the sun, do not want to leave the hotel. And Ted wants to get to the famous labyrinth of the Minotaur. He decides that he can do it himself. But suddenly he falls not just on the ruins of the Palace of Knossos, but at another time, where he is waiting for incredible and even dangerous adventures ... That's when Ted and comes in handy knowledge of geometry.