An exciting adventure story with elements of investigation: Arthur and Modi Yarostorm go to the uncharted lands of the Third Continent to find out the truth about the death of their father. Twins Arthur and Modi Yaroshtorm receive news that their father, the first aeronaut of his kind, Ernest Yaroshtorm, died tragically on an expedition to the South Pole. He is also brazenly accused of stealing fuel from the opposing team and violating the Explorers Code! Arthur and Modi's house is taken away, the teenagers are sent to live with another family, where they are given backbreaking work. The twins do not believe the news: they join one of the teams of researchers and decide to go to the uncharted lands of the Third Continent. Reaching the South Pole themselves is their only hope of discovering the truth and restoring the family's reputation. But someone is always trying to stop them... The highlights of the book are a comprehensive artistic world: fantastic creatures and the expanses of the Great Width (the fictional world where the heroes live). An important role in the work is played by the dynasties of researchers and their family secrets. – Additional information about the investigation and the disclosure of secrets is provided by newspaper clippings and the Wrigglesworth Hermitage magazine, which are organically woven into the narrative. The book also contains a map on which you can trace the heroes’ path to the South Pole. – An excellent literary translation by Maria Sukhotina, a finalist for the “Master” award. – There are many topics that can be discussed with a teenager: death and loss of a loved one, finding oneself and one’s purpose, forgiveness and responsibility for one’s actions, and so on. Published in Russian for the first time.