Ninja Kid Books in Order

Awkward Nelson wakes on his tenth birthday to discover that he has become the last ninja on Earth. Suddenly responsible for saving the world, he must learn to handle extraordinary abilities while coping with his ordinary shortcomings.

When the circus arrives, Nelson and his friends hope to join the performance. His secret ninja abilities seem ideal for the big top, but trouble at the show demands far more than a successful audition.

Nelson looks forward to using his ninja abilities at the athletics carnival, confident he can finally stand out. Then his powers switch with his grandmother’s, leaving him to face the competition with a completely different set of limitations.

Robot versions of Nelson and Kenny seem superior in every way, from speed to dancing. When the duplicates become uncontrollable during school camp, the real boys must find a way to stop their own mechanical replacements.

Nelson and Kenny want to enjoy the fair, but testing their grandmother’s invention leaves them too small for the rides. Their attempt to reverse the problem takes them toward the opposite extreme, with unexpectedly enormous consequences.

When the town’s animals vanish, Nelson and Kenny use their grandmother’s invention to transform into dogs and investigate. Finding the missing pets becomes harder when their new canine instincts keep distracting them from the urgent search.

Grandma invents a glove that can bring toys to life, opening up exciting possibilities for Nelson and Kenny. When someone steals it, the boys must recover the invention before an animated toy army overruns their town.

Nelson and Kenny want to win tickets to a new aquarium, but their swimming skills leave them far behind. Their grandmother’s invention might improve their chances, even as suspicious events at the aquarium demand the boys’ attention.

Rehearsals for the school play become a real adventure when Nelson and Kenny accidentally bring fictional characters to life. They must return everyone to the book before a giant mosquito army creates chaos throughout their town.

Nelson must stop rampaging animals and malfunctioning machines from creating chaos across town. A new jetpack could help him save the day, but first the inexperienced ninja must overcome his fear of heights and learn to fly.