This material is specifically designed for children and young people with autism, with the aim of improving their reading comprehension, communication, and social skills. Using the story “The Mystery of Hidden Words,” children can practice interpreting figurative expressions and idioms, which are often challenging for them. Through practical examples and role-playing games, children have the opportunity to apply what they have learned in real-life situations. Additionally, extra activities such as keeping an expression notebook and playing word detective games encourage curiosity and collaborative learning. This interactive and playful approach helps children better understand language and improve their ability to communicate effectively with others.