Ray O Ryan: 17 books

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 starting school and making new friends, but it only gets worse when he dreams that...

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 his relatives in Vermont. He’s looking forward to sledding and having a white Christmas!...

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 discovered planet of crystals. The group is split into pairs as they begin exploring,...

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 when Zack’s dad is invited on the journey, Zack finds a way to go along too! But...

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. Zack can’t wait to show Bert around the new planet, as well as his new school. But when...

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 to play galactic games, tell scary stories, and go on crazy camping adventures...

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 patience and some help, Zack has Drake splashing around in the water in no time. But swimming...

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 in activities, including an egg toss and a three-legged race. Zack remembers how he...

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 in his seat! Who/what is this creature? At first Zack is scared, but he soon finds that...

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 his dad’s been working on. At first she’s great and super helpful! Sara helps Mom...

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 to Nebulon. He can’t wait to see his best friend Bert and show his new friend, the former...

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 his friend Drake tells him that they are real. But as Halloween nears, weird things...

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 friends are in for an epic race adventure across the galaxy. It’s time to navigate through...

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 food every day. There’s Zack’s hyperphone for playing games with friends. Even...