Nelson and Kenny are excited! Soon the fair will come to the city, and they will be able to board all the equivalent facilities! Well, it's not that simple. Especially if you try grandma's new invention first, which reduces you to half your size! Nelson and Kenny have a plan to become taller. How will this happen? And when will Ninja Boy and GIMAL suddenly appear? Ninja Boy, the hit series written by Anne Doe, has been a resounding global success. Ninja Boy - Ninja in a Giant is the sixth book in the series.