Get the first three out-of-this-world books in the Galaxy Zack series, plus a link to download the fourth as a free ebook! Planet hop with Zack Nelson on his galactic adventures as he moves from Earth to Nebulon in the year 2120, explores a newly discovered planet and helps a dinosaur get back to its prehistoric home! With easy-to-read language and illustrations on almost every page, Galaxy Zack chapter books are perfect for beginning readers—and they make a great gift! This three-pack includes Hello, Nebulon!; Journey to Juno; and The Prehistoric Planet, plus a link to download a free ebook edition of Monsters in Space.