Zack tries to help Drake learn to swim in this chapter book adventure—but is he in over his head?Zack is surprised when he discovers that his best friend Drake doesn’t know how to swim! With a little...

Zack wants to go back to Earth for a white Christmas—but it turns out a green Christmas is just as cool!Christmas is just a few days away and Zack Nelson can’t wait to get back to Earth and spend it with...

Zack finds out that two best friends are better than one in this chapter book adventure.Zack is thrilled when he finds out that his best friend on Earth, Bert Jones, is going to visit him on Nebulon....

Galaxy Zack has some “sweet” competition in this Easter-themed chapter book adventure!Zack and Drake venture to Gluco, the candy planet, for some Easter fun. Once there, the two friends decide to compete...

Zack learns that appearances aren’t everything when he has an up-close-and-personal monster encounter in this chapter book adventure.Zack is shocked when he goes to school one day and finds a monster...

Galaxy Zack blasts back to the past in this outer space chapter book adventure!A baby pterosaur can’t find his way home, so it’s up to the Nebulon Navigators to return him to the Prehistoric Planet. And...

Zack is a planet-hopping pro—but a return to Earth results in some unexpected puppy trouble in the tenth Galaxy Zack chapter book adventure.Zack is headed back to Earth for the first time since moving...

The Super Advanced Robotic Assistant (SARA) develops an annoying crush on Zack in this Galaxy Zack chapter book adventure.Zack can’t wait to test out Sara, the new Super Advanced Robotic Assistant that...

Get to know Galaxy Zack—and his new home planet!—in this start to an out-of-this-world illustrated chapter book series.In Hello, Nebulon!, Zack makes the big move from Earth. He is already nervous about...

Join Zack as he takes a trip to the planet Juno, makes an amazing discovery, and learns the importance of teamwork!In Journey to Juno, Zack joins his school’s Explorer’s Club and visits Juno, a newly...

Zack and his friends zoom across the galaxy for the Interstellar Space Race in this fifteenth Galaxy Zack adventure.When the Sprockets Academy Zoomers enter the Intergalactic Space Race, Zack and his...

There’s snow place like home in this seventeenth Galaxy Zack adventure!The Nelsons are ready for a galactic winter vacation on a great new planet! And Zack’s best friend, Drake, is coming too! From solar-snowboarding,...

In this sixteenth Galaxy Zack adventure, Nebulon falls into a complete cosmic blackout!Zack loves everything about his new planet, Nebulon. There’s Ira, his Indoor Robotic Assistant, who makes him delicious...

Zack has his work cut out for him as he prepares for the Intergalactic Science Fair in the thirteenth Galaxy Zack adventure.When the Intergalactic Science Fair returns to Nebulon, the pressure is on for...

Zack and his friends are off to space camp on a new planet in the fourteenth Galaxy Zack adventure.Camp Among the Stars! Summer vacation is finally here and Zack is pumped for space camp! He can’t wait...

Zack has to help his sisters make up after an out-of-this world argument in this twelfth Galaxy Zack chapter book adventure.Zack’s twin sisters are the best of friends. They’re never apart, share everything,...

Zack doesn’t think ghosts exist—but a haunted Halloween might change his mind in the eleventh Galaxy Zack chapter book adventure.Zack absolutely, one hundred percent does not believe in ghosts—even when...

Zack and his friends travel to a video game planet in this eighteenth Galaxy Zack adventure!Zack and his friends enter the Starcade gaming competition! At first, Zack thinks it’s all fun and games until...