Cole, Jay, Kai, and Zane follow Sensei Wu to the underworld to retrieve three of the Four Golden Weapons, from Samukai, but their dangerous journey has a surprising conclusion when Lord Garmadon reveals a secret plan.
Having failed apprenticeship as a dye maker, Koji is captured and forced to train as a ninja, where he remains disloyal until he discovers samurai have burned his former village.
Orphaned by a ninja pirate attack off the coast of Japan in 1611, twelve-year-old English lad Jack Fletcher is determined to prove himself, despite the bullying of fellow students, when the legendary sword master who rescued him begins training him as a samurai warrior.
In sixteenth-century Japan, Taro enlists his friends to help vanquish a dragon in hopes of winning a reward that would allow him to marry Hana, but he also faces surprisingly difficult obstacles as Kenji Kira raises the dead against him and his own flesh and blood betrays him.
Taro, Hana, and Hiro are trapped by a strange new creature as the protection of their mountain lair fails and allows familiar enemies and unforeseen dangers to invade.
A power-hungry warlord threatens to use a secret weapon to plunge the nation into war, and Moonshadow, the youngest agent, has been assigned the task of stealing the plans for the weapon.
In this twist on the traditional tale, Cinderella trains as a ninja warrior to help her escape the control of her evil stepmother and attend a special Magic Festival at the palace. The reader is given chances throughout the text to choose the direction of the plot.