FREDDY JACKSON BROWN is a registered and chartered clinical psychologist and ACT therapist with twenty years of experience working in the NHS with children and families. He also offers assessment and intervention services to people and organizations via Psychology Solutions Partnership and Positive Behaviour Solutions. His interests include emotional literacy, child development, language and communication, and behaviour perceived as challenging.He has published a range of peer-reviewed articles and chapters on ACT, behaviour analysis, disability and sexuality, His books include Get the Life You Want (2013), ACT for Dummies, When Young People with Intellectual Disabilities and Autism Hit Puberty and The Science of Children's Wellbeing, as well as The ACT Journal.