Book excerpt: What social change has been achieved over the past 30 years? What have been the main barriers to progress? What great achievements can we identify and celebrate today? Marking Jessica Kingsley Publishers' 30th year of publishing books on social and behavioural issues, this book gathers together over 30 leading thinkers from diverse disciplines - from autism specialists and social workers through to trans rights activists and complementary therapists. Contributors provide a thoughtful account of how their field of expertise has changed over the past 30 years, and how they see it evolving in the future. Offering a unique insight into many professions, 30 Years of Social Change highlights much of the positive social change achieved in the past 30 years across these fields and the challenges we face in the future.