Outer Planets. The

Find out about the four planets farthest from the Sun: Jupiter, Saturn, Uranus, and Neptune. Discover why these planets are called the gas giants, which spacecraft have visited them, and what lies beyond them in the solar system.

Part of the Our Solar System series of books that explore the exciting topic of space and are specially written for younger readers. With stunning photographs and explanatory artwork, the books are the perfect introduction to our solar system.