Do not do what you do not want others to do to you. The book: The hedgehog is a lazy one. He is too bored to make his own nest for the winter. He concocts a plan to deceive the snake and take its nest. But just when he manages to pull it off and is overjoyed, something happened, kids, and he was chased away. The series: In order to ensure that children have a healthy social life based on effective relationships, they need to cultivate empathy, the ability to put themselves in others' shoes, to understand and feel things the same way another person does. This need is addressed by the illustrated books in this series, which promote emotional intelligence. With the proposed approach for parents and educators, they aim to introduce children to see the world through others' eyes, once they first learn to recognize and manage their own emotions.