55 books • 21 series
Book #2: #2 Fright Knight Chapter Book
Book #3: Lego Nexo Knights: #3 Double Trouble
Book #7: The Search for Zane (Lego Ninjago: Chapter Book)
Book #7: The Search for Zane
Book #10: The Titanium Ninja (Lego Ninjago: Reader)
Book #11: The Rescue Mission (Lego Ninjago: Reader)
Book #9: Lego Ninjago Reader: #9 Techno Strike No Level
Book #12: Ninja vs Ninja No Level
Book #13: Spy vs Spy No Level
Book #12: Ninja vs. Ninja
Book #1: DROID TALES 1 EPISI-III NO LVL
Book #3: The Haunting of Pirate Cove
Book #2: The Frozen Giant