An interesting futuristic story of a young man and his family, the only survivors in an interplanetary world. Abel and his family are on a course back to Earth after Mars has become inhabitable, not knowing whether the planet Earth is inhabitable or not after it's collapse years ago. As the story unfolds so does Abel's imagination. He becomes aware of other "people" who are on their ship who actually become very helpful to the mission and to the success of Abel's endeavors. The story ends with a successful landing on Earth but the gets a bit vague as to the fate of Abel.