"Nelson's a nerd. Unfit, uncool...and totally awkward! But when he wakes up on his tenth birthday, he discovers he is a Ninja! The last ninja on earth! How is he going to save the world when he cannot even get his undies on the right way?" -- Back cover.

A little rabbit tries to follow the rules in order to become a "super awesome ninja," but discovers that his book is wrong about one very important thing.

Sensei Wu must teach the Ninjago warriors the ancient art of spinjitzu in order to defeat Lord Garmadon, but first the ninja Jay, whose sense of humor is strong even in battle, must learn when it is the right time to be serious.

Zane, a member of Sensei Wu's team of ninja warriors who has no memories, wants to find answers about his past, but getting them might put the whole team in danger.

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

The PJ Masks have lost all of their superpowers! Can PJ Robot go into the night to save his friends? --Publisher

Quiet Zane isn't like the other ninja. His weird humor sometimes gets him in trouble with Cole, Kay, and Kai--especially when he leads the ninja into a mission that ends in the destruction of their home in Sensei Wu's monastery. Now Zane must hope that a new path will rise from the monastery's ashes.

After crossing raging rivers and tromping through the jungle, Naughty Ninja returns to his secret ninja training camp for lunch. But when he gets inside, his parents tell him he needs a bath. Before Naughty Ninja gets in the tub, he notices poisonous flies and an angry alligator circling his dad, who doesn't even seem to know he's in trouble. Good thing Naughty Ninja is around to save the day! Amid sudsy fun, a boy's imaginary ninja life and his everyday...

"A little boy explains what it's like to go to school--when you're a ninja"--

Pedro enters the same karate class that his friends Katie and JoJo, and learns some of the ninja moves that he admires in the movies. Includes glossary, discussion questions, writing prompts, and jokes.