“Leo’s Journey and His Friends: A Pronoun Adventure” is an exciting story designed for children, including those with autism, to help them understand and practice the use of personal pronouns in a fun and meaningful way. In this tale, Leo, a curious and kind boy from the town of Pronomville, embarks on a mission with his friends to explore how the pronouns “I”, “you”, “he”, “she”, “we”, “you all”, and “they” can improve communication and strengthen bonds of friendship. Through everyday situations, such as cheering up a friend, sharing achievements, and working as a team, Leo and his companions discover the importance of using the correct pronouns to express themselves clearly and connect with others. This story not only teaches grammar in an accessible way but also fosters social skills such as empathy, mutual support, and collaboration. With practical activities, such as role-playing and conversation exercises, children can apply what they have learned in real-life situations, making “Leo’s Journey and His Friends” a valuable tool for parents and educators looking to support the linguistic and social development of children.