"La Casa De La Mosca Fosca" is a children's book written by the Spanish author José Luis García Sánchez. The story revolves around a little girl named María who discovers a mysterious house inhabited by a peculiar fly. The narrative explores themes of curiosity and adventure as María interacts with the fly and learns about friendship and bravery. The book is known for its engaging illustrations and simple language, making it accessible for young readers. It encourages imagination and creativity, inviting children to explore the world around them while also imparting valuable life lessons about understanding and empathy.