'The Reason I Jump' opens a window into the mind of Naoki Higashida, a thirteen-year-old boy with autism. With the assistance of an alphabet grid, Naoki artfully constructs his thoughts and feelings into words that most of us take for granted. Throughout the book, Naoki addresses common questions about autism with profound clarity and insight, providing first-hand explanations for behaviors that often perplex those outside the autistic community. Capturing the essence of his experiences, from the significance of his jumping to the intricacies of communication challenges, Naoki offers readers a heartfelt, enlightening journey through his worldview, enriching our understanding of what it means to be human.