This book provides a comprehensive overview of the experiences and challenges faced by autistics who have not been understood or accommodated due to their monotropic cognitive style. This book aims to increase understanding and awareness of monotropism, its tributaries (object permanence; external senses and connections to interoception) as well as offer a roadmap to aid and support autistic monotropic individuals. The topic of monotropism and its tributaries, as well as their impact upon quality of life, is vital for medical and allied professionals to comprehend. This book explains these terms and their role in autistic behaviour and fills a critical gap in the literature by providing a comprehensive resource that addresses the specific needs of this population.