Latitude zero is a book that addresses the topic of coexistence and respect in the exchange of ideas, opinions and knowledge, helping the young reader to mature. It is about the adventures and discoveries of Mauricia and her aunt Letícia on a trip to the Brazilian Amazon, to visit archaeological sites and investigate the theme of life beyond Earth. The light and engaging text, with informal language and full of dialogues, brings well-constructed characters and descriptions that immerse the reader in the different landscapes of the Amazon region.