Discusses the history of Neptune study, examines what has been learned about the gas giant and its moons, and considers the future of Neptune exploration.

Discusses the discovery of Neptune as well as its topography and the search for water and life.

"In the outer settlements of the human-occupied solar system, there are rumors about what was found deep under Neptune's frozen seas when a Hungarian billionaire's ship was lost with all hands. But the rumors are far more tame than the reality. When the billionaire's daughter mounts a mission to find the truth, her discoveries will upend humanity's understanding of our origins on Earth"--

Describes the discovery, exploration, atmosphere, geography, and moons Neptune.

"A child astronaut takes an imaginary trip to Neptune and the outer reaches of the solar system, learns about the harsh conditions on the planet, and decides that Earth is a good home after all. Includes solar system diagram, Neptune vs. Earth fact chart, and glossary"--Provided by publisher.

By flipping the pages, the reader may view animated illustrations that follow Ricky Ricotta, a small mouse, his giant flying robot, and his annoying cousin Lucy, as they battle the nightcrawlers from Neptune that are invading through a wormhole.