"Rehti-Jaakko" is an exciting adventure story that tells the story of the courageous sailor Jaakko, who sets out on a journey through unexplored territory. He faces dangerous challenges, violent storms and competes with more evil opponents. Authors Gustav Höcker and Frederick Marryat successfully combined exciting moments of sea adventures and mysterious challenges, creating an exciting world of sea secrets. This book will bring a lot of drive, inspiration and unforgettable emotions to the reader.