Good-bye, Earth! Join Zack Nelson on his galactic adventures as he moves from Earth to Nebulon in the year 2120, explores a newly deiscovered planet, and helps a dinosaur return to its prehistoric home in the out-of-this-world three-book collection! The first three books of the series.

"3 books in 1!"--Cover.

Hello, Nebulon! -- Journey to Juno -- Prehistoric planet.