Cosmic blackout! [#16] [Galaxy Zack Volume: #16]by O'Ryan, Ray 

BTSB Prebound(Little Simon, 2017)

BTSB #: 692009 Available

Dewey: FAges: 7-10   
AR: 3.8 LG Lexile: 650

Genres: Science Fiction Adventure Fiction

Subjects: Electric power failures - Fiction Science fiction

Summary: [#16] Zack loves everything about his new planet, Nebulon, until there is a complete cosmic blackout and he must try to function without his Indoor Robotic Assistant and hyperphone.

Operation twin trouble. [#12] [Galaxy Zack Volume: #12]by O'Ryan, Ray 

BTSB Prebound(Little Simon, 2015)

BTSB #: 692031 Available

Dewey: FAges: 7-10   
AR: 3.4 LG Lexile: 510 F&P: M

Genres: Science Fiction

Subjects: Science fiction Twins - Fiction Sisters - Fiction Siblings - Fiction Friendship - Fiction Human-alien encounters - Fiction

Summary: [#12] Zack's twin sisters are best friends, but when the two get into an argument while visiting another planet, Zack finds himself stuck in the middle of a tricky twin situation.

Prehistoric Planet. [#3] [Galaxy Zack Volume: #3]by O'Ryan, Ray 

BTSB Prebound(Little Simon, 2013)

BTSB #: 692023 Available

Dewey: FAges: 7-10   
AR: 3.5 LG Lexile: 540 F&P: M

Genres: Science Fiction

Subjects: Science fiction Planets - Fiction Pterosaurs - Fiction Animal babies - Fiction Dinosaurs - Fiction

Summary: [#3] Zack and his father are invited to join the Nebulon Navigators as they set out to return a lost baby pterosaur to the Prehistoric Planet, where Zack sees animals and plants he had only read about in books.

Science fair disaster! [#13] [Galaxy Zack Volume: #13]by O'Ryan, Ray 

BTSB Prebound(Little Simon, 2016)

BTSB #: 692032 Available

Dewey: FAges: 7-10   
AR: 4.3 LG Lexile: 640 F&P: M

Genres: Science Fiction Adventure Fiction

Subjects: Science fiction Science - Exhibitions - Fiction Science projects - Fiction Human-alien encounters - Fiction

Summary: [#13] When his project malfunctions during the Intergalactic Science Fair, will Zack, a boy from Earth living on the planet Nebulon, be able to get things under control before disaster erupts?

Snow place like home. [#17] [Galaxy Zack Volume: #17]by O'Ryan, Ray 

BTSB Prebound(Little Simon, 2018)

BTSB #: 692036 Available

Dewey: FAges: 7-10   
AR: 4.1 LG Lexile: 610

Genres: Science Fiction Adventure Fiction

Subjects: Science fiction Vacations - Fiction Space travel - Fiction Humorous fiction

Summary: The Nelsons are ready for a galactic winter vacation on a great new planet! Will Zack find a way to beat out the winter blues before it's time to snow home?

Three's a crowd! [#5] [Galaxy Zack Volume: #5]by O'Ryan, Ray 

BTSB Prebound(Little Simon, 2013)

BTSB #: 692027 Available

Dewey: FAges: 7-10   
AR: 3.3 LG Lexile: 500 F&P: M

Genres: Science Fiction

Subjects: Science fiction Best friends - Fiction Friendship - Fiction Human-alien encounters - Fiction

Summary: [#5] Zack is thrilled when his best friend on Earth, Bert Jones, visits for the weekend. But when Zack introduces Bert to Drake, his best friend on Nebulon, trouble begins.