Join Zack Nelson on his galactic adventures as he moves from Earth to Nebulon in the year 2120, explores a newly discovered planet, helps a dinosaur get back to its prehistoric home, and makes a zandy new friend in this out-of-this-world four-book collection!

With easy-to-read language and illustrations on almost every page, the Galaxy Zack chapter books are perfect for beginning readers.

This space-age collection includes: Hello, Nebulon!; Journey to Juno; The Prehistoric Planet; and Monsters in Space!