Sensei Wu has trained Cole, Zane, Jay, and Kai to be Masters of Spinjitzu, and together they defend the world of Ninjago from the dark forces of the Underworld.

Volume 1:The challenge of Samukai! -- volume 2: Mask of the sensei -- volume 3: Rise of the Serpentine -- volume 4: Tomb of the Fangpyre -- volume 5: Kingdom of the Snakes -- volume 6: Warriors of stone -- volume 7: Stone cold -- volume 8: Destiny of doom -- volume 9: Night of the Nindroids -- volume 10: The Phantom Ninja -- volume 11 : Comet crisis --