About the book: year / Greece... Country of myths and warm southern seas. Who wouldn't want to spend a week there before the start of the school year? Of course, no one! And certainly not Sashka, Tonic and their faithful friends. But before going to Greece, the guys need to do one little investigation. The fact is that in the boarding school where Sashka lives, ghosts have appeared that scare the kids at night. But true friends are not afraid of ghosts, because they have one reliable remedy in stock…