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. But when the leader of the skeleton army, Samukai, boasts to the evil Lord Garmadon that he can defeat Sensei Wu and his four young ninja, Garmadon takes him up on his bet!

שם הספר
Tales of the Masks (Bionicle Chronicles, Book 4)
Mystery of Metru Nui (Bionicle Adventures #1)
Trial by Fire (Bionicle Adventures #2)
Bionicle Adventures #9: Web Of Shadows
Bionicle Encyclopedia 1st Edition