There are billions of stars in our galaxy, the Milky Way, and billions more throughout the universe. Read how stars are made of burning gases and what holds these gases together. Read about constellations and star maps and which star travelers have used for centuries to find their way.

Only 12 humans have walked on the Moon. But scientists have learned a lot about Earth's night light. We know how it was formed, about its relationship with Earth, and its surface features. The informative text pairs with fascinating fun facts and special features to provide an in-depth look at Earth's closest neighbor.

"Engaging images accompany information about Jupiter. The combination of high-interest subject matter and light text is intended for students in grades 3 through 7"--

"Engaging images accompany information about Mars. The combination of high-interest subject matter and light text is intended for students in grades 3 through 7"--

"Engaging images accompany information about Saturn. The combination of high-interest subject matter and light text is intended for students in grades 3 through 7"--

"Engaging images accompany information about Pluto and the dwarf planets. The combination of high-interest subject matter and light text is intended for students in grades 3 through 7"--

"Amazing photography accompanies engaging information about galaxies. The combination of high-interest subject matter and light text is intended for students in grades 3 through 7"--

"Amazing photography accompanies engaging information about asteroids. The combination of high-interest subject matter and light text is intended for students in grades 3 through 7"--

"Amazing photography accompanies engaging information about comets. The combination of high-interest subject matter and light text is intended for students in grades 3 through 7"--