Neptune

In this gripping tale by Hugo Award winner Ben Bova, humanity has expanded throughout the solar system, with settlements now established in the farthest reaches, including the moons of Neptune. Ilona Magyr embarks on a daring mission to find her father, who has been missing for three years in Neptune's treacherous seas, navigating the challenges of the ice giant's perilous environment with the help of seasoned explorer Derek Humbolt and scientist Jan Meitner. Their search takes a unexpected turn when they uncover the wreckage of an alien ship, a revelation that shifts humanity's understanding of its own history and future.