The magic tree house takes Jack and Annie back in time to feudal Japan where the siblings learn about the ways of the Ninja.

In sixteenth-century Japan, master ninja Hiro and the Jesuit priest he is sworn to protect race against time to prevent a wrongful execution by solving the murder of a samurai whose death is linked to numerous possible suspects.

An awkward misfit wakes up on his tenth birthday to discover that he has spontaneously developed ninja powers overnight and become the world's only remaining defender.

Little Kunoichi, a young ninja, finds adventure when she spends the day with her inventor grandmother.

When Suki the salamander--the new foreign exchange student--is being stalked by ninja frogs, Danny, Wendell the iguana, and Suki travel to Great-grandfather Dragonbreath's home in mythical Japan to find a solution for the problem.

Every day Cinderella's stepmother and stepstisters force her to wash and cook for them while she must wear rags and eat crumbs, but at night Cinderella trains to become a ninja, dreaming of becoming the prince's personal bodyguard.

Told in rhyme, Moby Shinobi tries to help out the construction workers building a house, but as usual his ninja skills just create chaos--until he saves a puppy that has gotten stuck in wet concrete.

Told in rhyme, Moby puts his ninja skills to work "helping" at the local firehouse, but he ends up making more work for the fire fighters--but his skills do come in handy when a cat needs rescuing.

"When Dad buys a new house outside the city, the kids are less than excited about new neighbors, backyard barbecues, and quiet, tree-lined streets. And they're not alone--a summer in the suburbs is enough to make Cat Ninja miss the villains of Metro City!"--

Kay es el hijo de un herrero y su sueno es llegar a ser como su padre. Hasta que un dia un ejercito de esqueletos guerreros asalta su aldea y secuestra a su hermana, Nya. La unica esperanza de Kay de rescatar a su hermana esta puesta en Sensei Wu, un anciano misterioso que tiene una mision. Sensei Wu le promete a Kay ensenarle Spinjitzu. Sera eso suficiente para salvar a Nya?