|This article is a stub.
You can help Ninjago Wiki by expanding it.
This all-new chapter book includes three original stories about the ninja! When Master Wu calls his old student Kai, he has a special mission for him: it's time to go BACK to his old ninja monastary and fix it up. That might sound boring, but what starts as a simple chore ends up as a ninja training jungle gym extravaganza! Plus, two more stories about classic ninja Zane and Lloyd! Contains full-color illustrations throughout three action-packed, easy-to-read adventures.
- In this book, the Monastery of Spinjitzu is rebuilt by the Ninja. This is why there is a set: 70670 Monastery of Spinjitzu.