The second book in a unique adventure series based on real-life National Geographic travel and research! Cruz Coronado, together with other students of the Academy of Explorers, goes on an educational trip on the steamship "Orion". However, for Cruz, the main task in this trip is to find a fragment of the formula that his mother invented. He must solve the encrypted clue and go to the shores of Norway and Iceland, where not only new discoveries await him, but also dangers, because every step he takes is closely watched by the agents of "Nebula"...