Kind Ninja: a Children’s Book about Kindness Kind Ninja loves being caring and compassionate. But it was not always like this. It used to be more about 'me, me, me'. Until one day, his heart changes. Do you want to raise a kind child? Share how the Power of Kindness can transform you and others. In this Ninja Life Hacks story by Mary Nhin, little superhero Kind Ninja will learn what kindness means and understand what it is like to be caring, empathetic, and caring. Kind Ninja learns how to value compassion and kindness.