Nelson and Kenny are happy. They finally have a dog! They prepare her a feast of kings and bring her water and renovate the kennel, but in the morning - when they come to check on her - it turns out that the dog has disappeared. At school they discover something even stranger: all the children's pets have disappeared in the night! Nelson and Kenny immediately suspect Doctor Kane. Is he really responsible for this? And how lucky that grandma surprised again with an amazing invention - a bracelet that turns children into dogs! It's certainly a great starting point for solving the mystery, but Nelson and Kenny must first overcome the need to gnaw bones and pee on pillars! Ninja Boy, the hit series written by Anne Doe, was a resounding global success. Ninja Boy - The Ninja Dogs! It is the eighth book in the series.