Assess and then determine what to teach! Interoception Assessment Forms, a set of 10 assessment forms, as well as 18 black and white photo cards used in conjunction with the assessment the book, The Eighth Sensory System, describe the clear link between interoception and important skills such as self-awareness, self-regulation, problem solving, intuition, and many more. In addition, to providing a clear explanation of and strategies for interoception challenges, author Kelly Mahler designed various assessments, included in this workbook, which give professionals and parents a new way to evaluate individuals with ASD and provide targeted strategies to overcome challenges.