The book tells an educational story of Nichola, a child who decides to save the planet and is able, through personal efforts and examples, to attract his friends who are aware of the need to play an active role in preserving nature and the environment, giving simple examples of how this mission can be accomplished. Nichola and his friends mobilize in a joint effort to improve the environmental conditions of their own neighborhood. The book addresses the main current themes about environmental and ecological issues embedded in a story that stimulates reading. It conveys precious knowledge of ecology and preservation of the environment.