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 bully Seth Stevens, all around his old stomping grounds Luna's excited too. A little too excited. When the pooch escapes and goes missing, sightseeing plans take an unexpected turn. Will Zack find Luna before he has to head home to Nebulon?

With easy-to-read language and illustrations on almost...

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 unpack clothes for her store at lightning speed. She plays catch with Luna. And she turns into a one-bot band for the twins. But when Sara develops a huge crush on Zack, the fun is over Can Zack figure out a way to fix this mixed-up robot?

With easy-to-read language and illustrations on almost every...

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, and even finish each other's sentences But when the two get into an argument while visiting another planet, an astronomical fight ensues. Suddenly, Zack finds himself stuck in the middle of a tricky twin situation. Can he save Cathy and Charlotte's sisterly bond from intergalactic destruction?

With easy-to-read language and illustrations on almost every page, the Galaxy Zack...

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 Sprockets Academy's students to uphold their winning streak. Zack is sure he can win. But when his project malfunctions, will he be able to get things under control before disaster erupts?

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