Ordinary teenagers by day, six young ninjas turn into gifted warriors at night, defending their island home from evil villains and monsters.

Our heroes find themselves up to their zords in the dirt of intergalactic wrongdoers--and the A-squad is officially missing in action!

When a new menace in Gotham begins stealing all the experimental technology, Batman is put on high alert. But, a team of warriors lurking beneath the streets is also on the case; the Teenage Mutant Ninja Turtles!

"Describes the lives of ninjas in feudal Japan. The reader's choices reveal historical details from the perspectives of a ninja taking part in the siege of Sawayama Castle, fighting the army of Oda Nobunaga, and serving as a member of the Band of Iga"--Provided by publisher.

"Profiles Ninja warriors, including their everyday life, training, fighting methods, and societal role, as well as their place in popular culture"--Provided by publisher.

"The world of Ninjago is in terrible danger. An army of skeletons has invaded from the underworld, under the command of the evil Lord Garmadon. Their goal: capture the Four Weapons of Spinjitzu, artifacts so powerful it is said no one being can wield them all at once. Now Garmadon's brother, the heroic Sensi Wu, must gather four young men and train them in the ways of the ancient art of Spinjitzu. These four - Kai, Jay, Zane and Cole - must become...

Ninjago is finally enjoying a period of peace. But the Serpentine army is still at large and the dark lord Garmadon now holds the four golden weapons of Spinjitzu. Soon he will be able to recreate Ninjago in his own image. That is, unless the four young masters of Spinjitzu will be able to prepare Lloyd Garmadon for the ultimate battle with his father. All hope rests on Lloyd to realize his potential in time. But other dark forces are stirring and...

Four young men must be trained in the ancient art of spinjitzu by Sensei Wu in order to fight against the evil skeleton army and save the powerful four weapons.

In order to rescue Lloyd from Morro, Master of Wind, the other ninja must travel underwater to find the all-powerful realm crystal.