Galaxy Zack

1 Hello Nebulon (2013)
2 Journey to Juno (2013)
3 The Prehistoric Planet (2013)
4 Monsters in Space! (2013)
5 Three's a Crowd! (2013)
6 A Green Christmas! (2013)
7 A Galactic Easter! (2014)
8 Drake Makes a Splash! (2014)
9 The Annoying Crush (2014)
10 Return to Earth! (2015)
11 A Haunted Halloween (2015)
12 Operation Twin Trouble (2015)
13 Science Fair Disaster! (2016)
14 Space Camp (2016)
15 Ready, Set, Blast Off! (2017)
16 Cosmic Blackout! (2017)
17 Snow Place Like Home (2018)
18 Game Over, Nebulon (2022)

Hello, Nebulon! / Journey to Juno / Prehistoric Planet (2014)
Hello, Nebulon! / Journey to Juno / The Prehistoric Planet / Monsters in Space! (2014)
Galaxy Zack 4 Books in 1! (2016)
The Galaxy Zack Ten-Book Collection (2021)
The Galaxy Zack Collection #2 (2022)