Siena Castellon is a 17-year old multi-award winning neurodiversity advocate and anti-bullying campaigner. She is autistic, dyslexic and dyspraxic and also has ADHD. When Siena was growing up, she found that there were very few books and resources specifically aimed at supporting autistic girls. Siena has written the type of book she wished had been available when she was navigating through her teenage years. In her book, Siena provides practical advice, information and insights on many of the unique challenges that autistic teen girls face.